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hy/tests/native_tests/core.hy

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Second (smaller) set of native core functions This rounds out the first pass at a set of core functions, adding some that were not in the first PR. From here I'm working on a contrib.seq and contrib.io module to hold less obvious but maybe interesting native functions that can move to core if desired. This should also close out issure #150 asking for some core functions like these.
2013-07-29 18:40:48 +02:00
;; Copyright (c) 2013 Paul Tagliamonte <paultag@debian.org>
;; Copyright (c) 2013 Bob Tolbert <bob@tolbert.org>
;; Permission is hereby granted, free of charge, to any person obtaining a
;; copy of this software and associated documentation files (the "Software"),
;; to deal in the Software without restriction, including without limitation
;; the rights to use, copy, modify, merge, publish, distribute, sublicense,
;; and/or sell copies of the Software, and to permit persons to whom the
;; Software is furnished to do so, subject to the following conditions:
;; The above copyright notice and this permission notice shall be included in
;; all copies or substantial portions of the Software.
;; THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
;; IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
;; FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
;; THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
;; LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
;; FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
;; DEALINGS IN THE SOFTWARE.
Add set of new core functions Add set of new core functions to the stdlib. Moved the auto-import code from compile_expression to HySymbol so that "even?' in this style expression will be found and imported. (list (filter even? [1 2 3 4 5])) The core functions are documented in 2 sections, one for basic functions like (even?..) and (nth ...) and one for all the sequence functions. Update: This removes all the caching decorators, misnamed as 'lazy-seq' from the core. All sequence methods now just use yield to return a generator, so they are Python-lazy Further refinements of core functions Cleaned up the docs to use 'iterator' instead of 'generator' Fixed drop to just return the iterator instead of an extra yield loop. But also added a test to catch dropping too many.
2013-07-08 04:36:26 +02:00
;;;; some simple helpers
(defn assert-true [x]
(assert (= True x)))
(defn assert-false [x]
(assert (= False x)))
(defn assert-equal [x y]
(assert (= x y)))
Adding a simple `coll?` function to the core * hy/core/language.hy: -Added a simple coll? function that checks whether the given argument is an iterable and not a string, - Also replaced the check in `flatten` by coll? * tests/native_tests/core.hy: Tests updated for checking coll?
2014-01-12 11:19:09 +01:00
(defn test-coll? []
"NATIVE: testing coll?"
(assert-true (coll? [1 2 3]))
(assert-true (coll? {"a" 1 "b" 2}))
(assert-true (coll? (range 10)))
(assert-false (coll? "abc"))
(assert-false (coll? 1)))
Add set of new core functions Add set of new core functions to the stdlib. Moved the auto-import code from compile_expression to HySymbol so that "even?' in this style expression will be found and imported. (list (filter even? [1 2 3 4 5])) The core functions are documented in 2 sections, one for basic functions like (even?..) and (nth ...) and one for all the sequence functions. Update: This removes all the caching decorators, misnamed as 'lazy-seq' from the core. All sequence methods now just use yield to return a generator, so they are Python-lazy Further refinements of core functions Cleaned up the docs to use 'iterator' instead of 'generator' Fixed drop to just return the iterator instead of an extra yield loop. But also added a test to catch dropping too many.
2013-07-08 04:36:26 +02:00
(defn test-cycle []
"NATIVE: testing cycle"
Update: Updated most methods to replace While with For, and added tons of new tests for things like (cycle []) and lists with None's in them. thanks @olasd Add set of new core functions Add set of new core functions to the stdlib. Moved the auto-import code from compile_expression to HySymbol so that "even?' in this style expression will be found and imported. (list (filter even? [1 2 3 4 5])) The core functions are documented in 2 sections, one for basic functions like (even?..) and (nth ...) and one for all the sequence functions. Update: This removes all the caching decorators, misnamed as 'lazy-seq' from the core. All sequence methods now just use yield to return a generator, so they are Python-lazy Further refinements of core functions Cleaned up the docs to use 'iterator' instead of 'generator' Fixed drop to just return the iterator instead of an extra yield loop. But also added a test to catch dropping too many.
2013-07-08 04:36:26 +02:00
(assert-equal (list (cycle [])) [])
Add set of new core functions Add set of new core functions to the stdlib. Moved the auto-import code from compile_expression to HySymbol so that "even?' in this style expression will be found and imported. (list (filter even? [1 2 3 4 5])) The core functions are documented in 2 sections, one for basic functions like (even?..) and (nth ...) and one for all the sequence functions. Update: This removes all the caching decorators, misnamed as 'lazy-seq' from the core. All sequence methods now just use yield to return a generator, so they are Python-lazy Further refinements of core functions Cleaned up the docs to use 'iterator' instead of 'generator' Fixed drop to just return the iterator instead of an extra yield loop. But also added a test to catch dropping too many.
2013-07-08 04:36:26 +02:00
(assert-equal (list (take 7 (cycle [1 2 3]))) [1 2 3 1 2 3 1])
Update: Updated most methods to replace While with For, and added tons of new tests for things like (cycle []) and lists with None's in them. thanks @olasd Add set of new core functions Add set of new core functions to the stdlib. Moved the auto-import code from compile_expression to HySymbol so that "even?' in this style expression will be found and imported. (list (filter even? [1 2 3 4 5])) The core functions are documented in 2 sections, one for basic functions like (even?..) and (nth ...) and one for all the sequence functions. Update: This removes all the caching decorators, misnamed as 'lazy-seq' from the core. All sequence methods now just use yield to return a generator, so they are Python-lazy Further refinements of core functions Cleaned up the docs to use 'iterator' instead of 'generator' Fixed drop to just return the iterator instead of an extra yield loop. But also added a test to catch dropping too many.
2013-07-08 04:36:26 +02:00
(assert-equal (list (take 2 (cycle [1 2 3]))) [1 2])
(assert-equal (list (take 4 (cycle [1 None 3]))) [1 None 3 1]))
Add set of new core functions Add set of new core functions to the stdlib. Moved the auto-import code from compile_expression to HySymbol so that "even?' in this style expression will be found and imported. (list (filter even? [1 2 3 4 5])) The core functions are documented in 2 sections, one for basic functions like (even?..) and (nth ...) and one for all the sequence functions. Update: This removes all the caching decorators, misnamed as 'lazy-seq' from the core. All sequence methods now just use yield to return a generator, so they are Python-lazy Further refinements of core functions Cleaned up the docs to use 'iterator' instead of 'generator' Fixed drop to just return the iterator instead of an extra yield loop. But also added a test to catch dropping too many.
2013-07-08 04:36:26 +02:00
(defn test-dec []
"NATIVE: testing the dec function"
(assert-equal 0 (dec 1))
(assert-equal -1 (dec 0))
Update: Updated most methods to replace While with For, and added tons of new tests for things like (cycle []) and lists with None's in them. thanks @olasd Add set of new core functions Add set of new core functions to the stdlib. Moved the auto-import code from compile_expression to HySymbol so that "even?' in this style expression will be found and imported. (list (filter even? [1 2 3 4 5])) The core functions are documented in 2 sections, one for basic functions like (even?..) and (nth ...) and one for all the sequence functions. Update: This removes all the caching decorators, misnamed as 'lazy-seq' from the core. All sequence methods now just use yield to return a generator, so they are Python-lazy Further refinements of core functions Cleaned up the docs to use 'iterator' instead of 'generator' Fixed drop to just return the iterator instead of an extra yield loop. But also added a test to catch dropping too many.
2013-07-08 04:36:26 +02:00
(assert-equal 0 (dec (dec 2)))
(try (do (dec "foo") (assert False))
(catch [e [TypeError]] (assert (in "not a number" (str e)))))
(try (do (dec []) (assert False))
(catch [e [TypeError]] (assert (in "not a number" (str e)))))
(try (do (dec None) (assert False))
(catch [e [TypeError]] (assert (in "not a number" (str e))))))
Add set of new core functions Add set of new core functions to the stdlib. Moved the auto-import code from compile_expression to HySymbol so that "even?' in this style expression will be found and imported. (list (filter even? [1 2 3 4 5])) The core functions are documented in 2 sections, one for basic functions like (even?..) and (nth ...) and one for all the sequence functions. Update: This removes all the caching decorators, misnamed as 'lazy-seq' from the core. All sequence methods now just use yield to return a generator, so they are Python-lazy Further refinements of core functions Cleaned up the docs to use 'iterator' instead of 'generator' Fixed drop to just return the iterator instead of an extra yield loop. But also added a test to catch dropping too many.
2013-07-08 04:36:26 +02:00
(defn test-distinct []
"NATIVE: testing the distinct function"
(setv res (list (distinct [ 1 2 3 4 3 5 2 ])))
(assert-equal res [1 2 3 4 5])
;; distinct of an empty list should be []
(setv res (list (distinct [])))
(assert-equal res [])
;; now with an iter
(setv test_iter (iter [1 2 3 4 3 5 2]))
(setv res (list (distinct test_iter)))
Update: Updated most methods to replace While with For, and added tons of new tests for things like (cycle []) and lists with None's in them. thanks @olasd Add set of new core functions Add set of new core functions to the stdlib. Moved the auto-import code from compile_expression to HySymbol so that "even?' in this style expression will be found and imported. (list (filter even? [1 2 3 4 5])) The core functions are documented in 2 sections, one for basic functions like (even?..) and (nth ...) and one for all the sequence functions. Update: This removes all the caching decorators, misnamed as 'lazy-seq' from the core. All sequence methods now just use yield to return a generator, so they are Python-lazy Further refinements of core functions Cleaned up the docs to use 'iterator' instead of 'generator' Fixed drop to just return the iterator instead of an extra yield loop. But also added a test to catch dropping too many.
2013-07-08 04:36:26 +02:00
(assert-equal res [1 2 3 4 5])
; make sure we can handle None in the list
(setv res (list (distinct [1 2 3 2 5 None 3 4 None])))
(assert-equal res [1 2 3 5 None 4]))
Add set of new core functions Add set of new core functions to the stdlib. Moved the auto-import code from compile_expression to HySymbol so that "even?' in this style expression will be found and imported. (list (filter even? [1 2 3 4 5])) The core functions are documented in 2 sections, one for basic functions like (even?..) and (nth ...) and one for all the sequence functions. Update: This removes all the caching decorators, misnamed as 'lazy-seq' from the core. All sequence methods now just use yield to return a generator, so they are Python-lazy Further refinements of core functions Cleaned up the docs to use 'iterator' instead of 'generator' Fixed drop to just return the iterator instead of an extra yield loop. But also added a test to catch dropping too many.
2013-07-08 04:36:26 +02:00
(defn test-drop []
"NATIVE: testing drop function"
(setv res (list (drop 2 [1 2 3 4 5])))
Update: Updated most methods to replace While with For, and added tons of new tests for things like (cycle []) and lists with None's in them. thanks @olasd Add set of new core functions Add set of new core functions to the stdlib. Moved the auto-import code from compile_expression to HySymbol so that "even?' in this style expression will be found and imported. (list (filter even? [1 2 3 4 5])) The core functions are documented in 2 sections, one for basic functions like (even?..) and (nth ...) and one for all the sequence functions. Update: This removes all the caching decorators, misnamed as 'lazy-seq' from the core. All sequence methods now just use yield to return a generator, so they are Python-lazy Further refinements of core functions Cleaned up the docs to use 'iterator' instead of 'generator' Fixed drop to just return the iterator instead of an extra yield loop. But also added a test to catch dropping too many.
2013-07-08 04:36:26 +02:00
(assert-equal res [3 4 5])
Add set of new core functions Add set of new core functions to the stdlib. Moved the auto-import code from compile_expression to HySymbol so that "even?' in this style expression will be found and imported. (list (filter even? [1 2 3 4 5])) The core functions are documented in 2 sections, one for basic functions like (even?..) and (nth ...) and one for all the sequence functions. Update: This removes all the caching decorators, misnamed as 'lazy-seq' from the core. All sequence methods now just use yield to return a generator, so they are Python-lazy Further refinements of core functions Cleaned up the docs to use 'iterator' instead of 'generator' Fixed drop to just return the iterator instead of an extra yield loop. But also added a test to catch dropping too many.
2013-07-08 04:36:26 +02:00
(setv res (list (drop 3 (iter [1 2 3 4 5]))))
Update: Updated most methods to replace While with For, and added tons of new tests for things like (cycle []) and lists with None's in them. thanks @olasd Add set of new core functions Add set of new core functions to the stdlib. Moved the auto-import code from compile_expression to HySymbol so that "even?' in this style expression will be found and imported. (list (filter even? [1 2 3 4 5])) The core functions are documented in 2 sections, one for basic functions like (even?..) and (nth ...) and one for all the sequence functions. Update: This removes all the caching decorators, misnamed as 'lazy-seq' from the core. All sequence methods now just use yield to return a generator, so they are Python-lazy Further refinements of core functions Cleaned up the docs to use 'iterator' instead of 'generator' Fixed drop to just return the iterator instead of an extra yield loop. But also added a test to catch dropping too many.
2013-07-08 04:36:26 +02:00
(assert-equal res [4 5])
(setv res (list (drop 3 (iter [1 2 3 None 4 5]))))
(assert-equal res [None 4 5])
Add set of new core functions Add set of new core functions to the stdlib. Moved the auto-import code from compile_expression to HySymbol so that "even?' in this style expression will be found and imported. (list (filter even? [1 2 3 4 5])) The core functions are documented in 2 sections, one for basic functions like (even?..) and (nth ...) and one for all the sequence functions. Update: This removes all the caching decorators, misnamed as 'lazy-seq' from the core. All sequence methods now just use yield to return a generator, so they are Python-lazy Further refinements of core functions Cleaned up the docs to use 'iterator' instead of 'generator' Fixed drop to just return the iterator instead of an extra yield loop. But also added a test to catch dropping too many.
2013-07-08 04:36:26 +02:00
(setv res (list (drop 0 [1 2 3 4 5])))
(assert-equal res [1 2 3 4 5])
(setv res (list (drop -1 [1 2 3 4 5])))
(assert-equal res [1 2 3 4 5])
(setv res (list (drop 6 (iter [1 2 3 4 5]))))
(assert-equal res [])
(setv res (list (take 5 (drop 2 (iterate inc 0)))))
(assert-equal res [2 3 4 5 6]))
Second (smaller) set of native core functions This rounds out the first pass at a set of core functions, adding some that were not in the first PR. From here I'm working on a contrib.seq and contrib.io module to hold less obvious but maybe interesting native functions that can move to core if desired. This should also close out issure #150 asking for some core functions like these.
2013-07-29 18:40:48 +02:00
(defn test-drop-while []
"NATIVE: testing drop-while function"
(setv res (list (drop-while even? [2 4 7 8 9])))
(assert (= res [7 8 9]))
(setv res (list (drop-while pos? [2 4 7 8 9])))
(assert (= res []))
(setv res (list (drop-while numeric? [1 2 3 None "a"])))
(assert (= res [None "a"])))
(defn test-empty? []
"NATIVE: testing the empty? function"
(assert-true (empty? ""))
(assert-false (empty? "None"))
(assert-true (empty? (,)))
(assert-false (empty? (, None)))
(assert-true (empty? []))
(assert-false (empty? [None]))
(assert-true (empty? {}))
(assert-false (empty? {"a" None}))
(assert-true (empty? (set)))
(assert-false (empty? (set [None]))))
Add set of new core functions Add set of new core functions to the stdlib. Moved the auto-import code from compile_expression to HySymbol so that "even?' in this style expression will be found and imported. (list (filter even? [1 2 3 4 5])) The core functions are documented in 2 sections, one for basic functions like (even?..) and (nth ...) and one for all the sequence functions. Update: This removes all the caching decorators, misnamed as 'lazy-seq' from the core. All sequence methods now just use yield to return a generator, so they are Python-lazy Further refinements of core functions Cleaned up the docs to use 'iterator' instead of 'generator' Fixed drop to just return the iterator instead of an extra yield loop. But also added a test to catch dropping too many.
2013-07-08 04:36:26 +02:00
(defn test-even []
"NATIVE: testing the even? function"
(assert-true (even? -2))
(assert-false (even? 1))
Update: Updated most methods to replace While with For, and added tons of new tests for things like (cycle []) and lists with None's in them. thanks @olasd Add set of new core functions Add set of new core functions to the stdlib. Moved the auto-import code from compile_expression to HySymbol so that "even?' in this style expression will be found and imported. (list (filter even? [1 2 3 4 5])) The core functions are documented in 2 sections, one for basic functions like (even?..) and (nth ...) and one for all the sequence functions. Update: This removes all the caching decorators, misnamed as 'lazy-seq' from the core. All sequence methods now just use yield to return a generator, so they are Python-lazy Further refinements of core functions Cleaned up the docs to use 'iterator' instead of 'generator' Fixed drop to just return the iterator instead of an extra yield loop. But also added a test to catch dropping too many.
2013-07-08 04:36:26 +02:00
(assert-true (even? 0))
(try (even? "foo")
(catch [e [TypeError]] (assert (in "not a number" (str e)))))
(try (even? [])
(catch [e [TypeError]] (assert (in "not a number" (str e)))))
(try (even? None)
(catch [e [TypeError]] (assert (in "not a number" (str e))))))
Add set of new core functions Add set of new core functions to the stdlib. Moved the auto-import code from compile_expression to HySymbol so that "even?' in this style expression will be found and imported. (list (filter even? [1 2 3 4 5])) The core functions are documented in 2 sections, one for basic functions like (even?..) and (nth ...) and one for all the sequence functions. Update: This removes all the caching decorators, misnamed as 'lazy-seq' from the core. All sequence methods now just use yield to return a generator, so they are Python-lazy Further refinements of core functions Cleaned up the docs to use 'iterator' instead of 'generator' Fixed drop to just return the iterator instead of an extra yield loop. But also added a test to catch dropping too many.
2013-07-08 04:36:26 +02:00
(defn test-filter []
"NATIVE: testing the filter function"
(setv res (list (filter pos? [ 1 2 3 -4 5])))
(assert-equal res [ 1 2 3 5 ])
;; test with iter
(setv res (list (filter pos? (iter [ 1 2 3 -4 5 -6]))))
(assert-equal res [ 1 2 3 5])
(setv res (list (filter neg? [ -1 -4 5 3 4])))
Update: Updated most methods to replace While with For, and added tons of new tests for things like (cycle []) and lists with None's in them. thanks @olasd Add set of new core functions Add set of new core functions to the stdlib. Moved the auto-import code from compile_expression to HySymbol so that "even?' in this style expression will be found and imported. (list (filter even? [1 2 3 4 5])) The core functions are documented in 2 sections, one for basic functions like (even?..) and (nth ...) and one for all the sequence functions. Update: This removes all the caching decorators, misnamed as 'lazy-seq' from the core. All sequence methods now just use yield to return a generator, so they are Python-lazy Further refinements of core functions Cleaned up the docs to use 'iterator' instead of 'generator' Fixed drop to just return the iterator instead of an extra yield loop. But also added a test to catch dropping too many.
2013-07-08 04:36:26 +02:00
(assert-false (= res [1 2]))
;; test with empty list
(setv res (list (filter neg? [])))
(assert-equal res [])
;; test with None in the list
(setv res (list (filter even? (filter numeric? [1 2 None 3 4 None 4 6]))))
(assert-equal res [2 4 4 6])
(setv res (list (filter none? [1 2 None 3 4 None 4 6])))
(assert-equal res [None None]))
Add set of new core functions Add set of new core functions to the stdlib. Moved the auto-import code from compile_expression to HySymbol so that "even?' in this style expression will be found and imported. (list (filter even? [1 2 3 4 5])) The core functions are documented in 2 sections, one for basic functions like (even?..) and (nth ...) and one for all the sequence functions. Update: This removes all the caching decorators, misnamed as 'lazy-seq' from the core. All sequence methods now just use yield to return a generator, so they are Python-lazy Further refinements of core functions Cleaned up the docs to use 'iterator' instead of 'generator' Fixed drop to just return the iterator instead of an extra yield loop. But also added a test to catch dropping too many.
2013-07-08 04:36:26 +02:00
Adding automatic gensym macro Adding to the manual gensym for macros are 2 new macros, but very literal from the CL in letoverlambda. The first is the (with-gensyms ...) macro that can generate a small set of syms for a macro. Works something like: (defmacro adder2 [A B] (with-gensyms [a b] `(let [[~a ~A] [~b ~B]] (+ ~a ~b)))) and ~a and ~b will be replaced with (gensym "a") and (gensym "b") respectively. Then the final macro is a new defmacro that will automatically replace symbols prefaced with "g!" with a new gensym based on the rest of the symbol. So in this final version of 'nif': (defmacro/g! nif4 (expr pos zero neg) `(let [[~g!result ~expr]] (cond [(pos? ~g!result) ~pos] [(zero? ~g!result) ~zero] [(neg? ~g!result) ~neg]))) all uses of ~g!result will be replaced with (gensym "result").
2013-12-16 02:47:46 +01:00
(defn test-flatten []
"NATIVE: testing the flatten function"
(setv res (flatten [1 2 [3 4] 5]))
(assert-equal res [1 2 3 4 5])
(setv res (flatten ["foo" (, 1 2) [1 [2 3] 4] "bar"]))
(assert-equal res ["foo" 1 2 1 2 3 4 "bar"])
(setv res (flatten [1]))
(assert-equal res [1])
(setv res (flatten []))
(assert-equal res [])
(setv res (flatten (, 1)))
(assert-equal res [1])
;; test with None
(setv res (flatten (, 1 (, None 3))))
(assert-equal res [1 None 3])
(try (flatten "foo")
(catch [e [TypeError]] (assert (in "not a collection" (str e)))))
(try (flatten 12.34)
(catch [e [TypeError]] (assert (in "not a collection" (str e))))))
Second (smaller) set of native core functions This rounds out the first pass at a set of core functions, adding some that were not in the first PR. From here I'm working on a contrib.seq and contrib.io module to hold less obvious but maybe interesting native functions that can move to core if desired. This should also close out issure #150 asking for some core functions like these.
2013-07-29 18:40:48 +02:00
(defn test-float? []
"NATIVE: testing the float? function"
(assert-true (float? 4.2))
(assert-false (float? 0))
(assert-false (float? -3))
(assert-true (float? -3.2))
(assert-false (float? "foo")))
gensym in Hy Simple implementation of gensym in Hy. Returns a new HySymbol. Usable in macros like: (defmacro nif [expr pos zero neg] (let [[g (gensym)]] `(let [[~g ~expr]] (cond [(pos? ~g) ~pos] [(zero? ~g) ~zero] [(neg? ~g) ~neg])))) This addresses all the general comments about (gensym), and doesn't try to implement "auto-gensym" yet. But clearly the macro approach instead of the pre-processor approach (as described in the letoverlambda (http://letoverlambda.com/index.cl/guest/chap3.html#sec_5) is the way to go
2013-12-15 01:33:56 +01:00
(defn test-gensym []
"NATIVE: testing the gensym function"
(import [hy.models.symbol [HySymbol]])
(setv s1 (gensym))
(assert (isinstance s1 HySymbol))
(assert (= 0 (.find s1 ":G_")))
(setv s2 (gensym "xx"))
(setv s3 (gensym "xx"))
(assert (= 0 (.find s2 ":xx_")))
(assert (not (= s2 s3)))
(assert (not (= (str s2) (str s3)))))
Adding a simple `identity' function * hy/core/language.hy: Adding a simple `identity` function that returns the argument supplied to it * docs/language/core.rst: Updated docs with identity function
2014-01-21 20:19:49 +01:00
(defn test-identity []
"NATIVE: testing the identity function"
(assert (= 4 (identity 4)))
(assert (= "hy" (identity "hy")))
(assert (= [1 2] (identity [1 2]))))
Add set of new core functions Add set of new core functions to the stdlib. Moved the auto-import code from compile_expression to HySymbol so that "even?' in this style expression will be found and imported. (list (filter even? [1 2 3 4 5])) The core functions are documented in 2 sections, one for basic functions like (even?..) and (nth ...) and one for all the sequence functions. Update: This removes all the caching decorators, misnamed as 'lazy-seq' from the core. All sequence methods now just use yield to return a generator, so they are Python-lazy Further refinements of core functions Cleaned up the docs to use 'iterator' instead of 'generator' Fixed drop to just return the iterator instead of an extra yield loop. But also added a test to catch dropping too many.
2013-07-08 04:36:26 +02:00
(defn test-inc []
"NATIVE: testing the inc function"
(assert-equal 3 (inc 2))
Update: Updated most methods to replace While with For, and added tons of new tests for things like (cycle []) and lists with None's in them. thanks @olasd Add set of new core functions Add set of new core functions to the stdlib. Moved the auto-import code from compile_expression to HySymbol so that "even?' in this style expression will be found and imported. (list (filter even? [1 2 3 4 5])) The core functions are documented in 2 sections, one for basic functions like (even?..) and (nth ...) and one for all the sequence functions. Update: This removes all the caching decorators, misnamed as 'lazy-seq' from the core. All sequence methods now just use yield to return a generator, so they are Python-lazy Further refinements of core functions Cleaned up the docs to use 'iterator' instead of 'generator' Fixed drop to just return the iterator instead of an extra yield loop. But also added a test to catch dropping too many.
2013-07-08 04:36:26 +02:00
(assert-equal 0 (inc -1))
(try (do (inc "foo") (assert False))
(catch [e [TypeError]] (assert (in "not a number" (str e)))))
(try (do (inc []) (assert False))
(catch [e [TypeError]] (assert (in "not a number" (str e)))))
(try (do (inc None) (assert False))
(catch [e [TypeError]] (assert (in "not a number" (str e))))))
Add set of new core functions Add set of new core functions to the stdlib. Moved the auto-import code from compile_expression to HySymbol so that "even?' in this style expression will be found and imported. (list (filter even? [1 2 3 4 5])) The core functions are documented in 2 sections, one for basic functions like (even?..) and (nth ...) and one for all the sequence functions. Update: This removes all the caching decorators, misnamed as 'lazy-seq' from the core. All sequence methods now just use yield to return a generator, so they are Python-lazy Further refinements of core functions Cleaned up the docs to use 'iterator' instead of 'generator' Fixed drop to just return the iterator instead of an extra yield loop. But also added a test to catch dropping too many.
2013-07-08 04:36:26 +02:00
(defn test-instance []
"NATIVE: testing instance? function"
(defclass Foo [object])
(defclass Foo2 [object])
(defclass Foo3 [Foo])
(setv foo (Foo))
(setv foo3 (Foo3))
(assert-true (instance? Foo foo))
(assert-false (instance? Foo2 foo))
(assert-true (instance? Foo foo3))
(assert-true (instance? float 1.0))
Int conversion to long in py2.x Updated to current master Droped HyInt/HyLong commit
2013-08-21 01:09:03 +02:00
(assert-true (instance? int (int 3)))
Add set of new core functions Add set of new core functions to the stdlib. Moved the auto-import code from compile_expression to HySymbol so that "even?' in this style expression will be found and imported. (list (filter even? [1 2 3 4 5])) The core functions are documented in 2 sections, one for basic functions like (even?..) and (nth ...) and one for all the sequence functions. Update: This removes all the caching decorators, misnamed as 'lazy-seq' from the core. All sequence methods now just use yield to return a generator, so they are Python-lazy Further refinements of core functions Cleaned up the docs to use 'iterator' instead of 'generator' Fixed drop to just return the iterator instead of an extra yield loop. But also added a test to catch dropping too many.
2013-07-08 04:36:26 +02:00
(assert-true (instance? str (str "hello"))))
Second (smaller) set of native core functions This rounds out the first pass at a set of core functions, adding some that were not in the first PR. From here I'm working on a contrib.seq and contrib.io module to hold less obvious but maybe interesting native functions that can move to core if desired. This should also close out issure #150 asking for some core functions like these.
2013-07-29 18:40:48 +02:00
(defn test-integer? []
"NATIVE: testing the integer? function"
(assert-true (integer? 0))
(assert-true (integer? 3))
(assert-true (integer? -3))
Added type coercing to the right integer for the platform
2013-10-11 08:35:32 +02:00
(assert-true (integer? (integer "-3")))
(assert-true (integer? (integer 3)))
Second (smaller) set of native core functions This rounds out the first pass at a set of core functions, adding some that were not in the first PR. From here I'm working on a contrib.seq and contrib.io module to hold less obvious but maybe interesting native functions that can move to core if desired. This should also close out issure #150 asking for some core functions like these.
2013-07-29 18:40:48 +02:00
(assert-false (integer? 4.2))
(assert-false (integer? None))
(assert-false (integer? "foo")))
Add set of new core functions Add set of new core functions to the stdlib. Moved the auto-import code from compile_expression to HySymbol so that "even?' in this style expression will be found and imported. (list (filter even? [1 2 3 4 5])) The core functions are documented in 2 sections, one for basic functions like (even?..) and (nth ...) and one for all the sequence functions. Update: This removes all the caching decorators, misnamed as 'lazy-seq' from the core. All sequence methods now just use yield to return a generator, so they are Python-lazy Further refinements of core functions Cleaned up the docs to use 'iterator' instead of 'generator' Fixed drop to just return the iterator instead of an extra yield loop. But also added a test to catch dropping too many.
2013-07-08 04:36:26 +02:00
(defn test-iterable []
"NATIVE: testing iterable? function"
;; should work for a string
(setv s (str "abcde"))
(assert-true (iterable? s))
;; should work for unicode
(setv u "hello")
(assert-true (iterable? u))
(assert-true (iterable? (iter u)))
;; should work for a list
(setv l [1 2 3 4])
(assert-true (iterable? l))
(assert-true (iterable? (iter l)))
;; should work for a dict
(setv d {:a 1 :b 2 :c 3})
(assert-true (iterable? d))
;; should work for a tuple?
(setv t (, 1 2 3 4))
(assert-true (iterable? t))
;; should work for a generator
(assert-true (iterable? (repeat 3)))
;; shouldn't work for an int
(assert-false (iterable? 5)))
(defn test-iterate []
"NATIVE: testing the iterate function"
(setv res (list (take 5 (iterate inc 5))))
(assert-equal res [5 6 7 8 9])
(setv res (list (take 3 (iterate (fn [x] (* x x)) 5))))
(assert-equal res [5 25 625])
(setv f (take 4 (iterate inc 5)))
(assert-equal (list f) [5 6 7 8]))
(defn test-iterator []
"NATIVE: testing iterator? function"
;; should not work for a list
(setv l [1 2 3 4])
(assert-false (iterator? l))
;; should work for an iter over a list
(setv i (iter [1 2 3 4]))
(assert-true (iterator? i))
;; should not work for a dict
(setv d {:a 1 :b 2 :c 3})
(assert-false (iterator? d))
;; should not work for a tuple?
(setv t (, 1 2 3 4))
(assert-false (iterator? t))
;; should work for a generator
(assert-true (iterator? (repeat 3)))
;; should not work for an int
(assert-false (iterator? 5)))
(defn test-neg []
"NATIVE: testing the neg? function"
(assert-true (neg? -2))
(assert-false (neg? 1))
Update: Updated most methods to replace While with For, and added tons of new tests for things like (cycle []) and lists with None's in them. thanks @olasd Add set of new core functions Add set of new core functions to the stdlib. Moved the auto-import code from compile_expression to HySymbol so that "even?' in this style expression will be found and imported. (list (filter even? [1 2 3 4 5])) The core functions are documented in 2 sections, one for basic functions like (even?..) and (nth ...) and one for all the sequence functions. Update: This removes all the caching decorators, misnamed as 'lazy-seq' from the core. All sequence methods now just use yield to return a generator, so they are Python-lazy Further refinements of core functions Cleaned up the docs to use 'iterator' instead of 'generator' Fixed drop to just return the iterator instead of an extra yield loop. But also added a test to catch dropping too many.
2013-07-08 04:36:26 +02:00
(assert-false (neg? 0))
(try (do (neg? "foo") (assert False))
(catch [e [TypeError]] (assert (in "not a number" (str e)))))
(try (do (neg? []) (assert False))
(catch [e [TypeError]] (assert (in "not a number" (str e)))))
(try (do (neg? None) (assert False))
(catch [e [TypeError]] (assert (in "not a number" (str e))))))
Add set of new core functions Add set of new core functions to the stdlib. Moved the auto-import code from compile_expression to HySymbol so that "even?' in this style expression will be found and imported. (list (filter even? [1 2 3 4 5])) The core functions are documented in 2 sections, one for basic functions like (even?..) and (nth ...) and one for all the sequence functions. Update: This removes all the caching decorators, misnamed as 'lazy-seq' from the core. All sequence methods now just use yield to return a generator, so they are Python-lazy Further refinements of core functions Cleaned up the docs to use 'iterator' instead of 'generator' Fixed drop to just return the iterator instead of an extra yield loop. But also added a test to catch dropping too many.
2013-07-08 04:36:26 +02:00
Add zero? predicate to check if an object is zero
2013-09-02 11:28:21 +02:00
(defn test-zero []
"NATIVE: testing the zero? function"
(assert-false (zero? -2))
(assert-false (zero? 1))
(assert-true (zero? 0))
(try (do (zero? "foo") (assert False))
(catch [e [TypeError]] (assert (in "not a number" (str e)))))
(try (do (zero? []) (assert False))
(catch [e [TypeError]] (assert (in "not a number" (str e)))))
(try (do (zero? None) (assert False))
(catch [e [TypeError]] (assert (in "not a number" (str e))))))
Add set of new core functions Add set of new core functions to the stdlib. Moved the auto-import code from compile_expression to HySymbol so that "even?' in this style expression will be found and imported. (list (filter even? [1 2 3 4 5])) The core functions are documented in 2 sections, one for basic functions like (even?..) and (nth ...) and one for all the sequence functions. Update: This removes all the caching decorators, misnamed as 'lazy-seq' from the core. All sequence methods now just use yield to return a generator, so they are Python-lazy Further refinements of core functions Cleaned up the docs to use 'iterator' instead of 'generator' Fixed drop to just return the iterator instead of an extra yield loop. But also added a test to catch dropping too many.
2013-07-08 04:36:26 +02:00
(defn test-none []
"NATIVE: testing for `is None`"
(assert-true (none? None))
(setv f None)
(assert-true (none? f))
(assert-false (none? 0))
(assert-false (none? "")))
Some small doc fixes This cleans up a number of doc warnings, including a bad underline for zero? While there, added a nil? function to match up with the new nil is None. Also un-hid myself from coreteam.
2014-01-01 00:14:05 +01:00
(defn test-nil? []
"NATIVE: testing for `is nil`"
(assert-true (nil? nil))
(assert-true (nil? None))
(setv f nil)
(assert-true (nil? f))
(assert-false (nil? 0))
(assert-false (nil? "")))
Add set of new core functions Add set of new core functions to the stdlib. Moved the auto-import code from compile_expression to HySymbol so that "even?' in this style expression will be found and imported. (list (filter even? [1 2 3 4 5])) The core functions are documented in 2 sections, one for basic functions like (even?..) and (nth ...) and one for all the sequence functions. Update: This removes all the caching decorators, misnamed as 'lazy-seq' from the core. All sequence methods now just use yield to return a generator, so they are Python-lazy Further refinements of core functions Cleaned up the docs to use 'iterator' instead of 'generator' Fixed drop to just return the iterator instead of an extra yield loop. But also added a test to catch dropping too many.
2013-07-08 04:36:26 +02:00
(defn test-nth []
"NATIVE: testing the nth function"
(assert-equal 2 (nth [1 2 4 7] 1))
(assert-equal 7 (nth [1 2 4 7] 3))
(assert-true (none? (nth [1 2 4 7] 5)))
(assert-true (none? (nth [1 2 4 7] -1)))
;; now for iterators
(assert-equal 2 (nth (iter [1 2 4 7]) 1))
(assert-equal 7 (nth (iter [1 2 4 7]) 3))
(assert-true (none? (nth (iter [1 2 4 7]) -1)))
(assert-equal 5 (nth (take 3 (drop 2 [1 2 3 4 5 6])) 2)))
Second (smaller) set of native core functions This rounds out the first pass at a set of core functions, adding some that were not in the first PR. From here I'm working on a contrib.seq and contrib.io module to hold less obvious but maybe interesting native functions that can move to core if desired. This should also close out issure #150 asking for some core functions like these.
2013-07-29 18:40:48 +02:00
(defn test-numeric? []
"NATIVE: testing the numeric? function"
(assert-true (numeric? 1))
(assert-true (numeric? 3.4))
(assert-true (numeric? 0.0))
(assert-true (numeric? -1.45))
(assert-false (numeric? "Foo"))
(assert-false (numeric? None)))
Add set of new core functions Add set of new core functions to the stdlib. Moved the auto-import code from compile_expression to HySymbol so that "even?' in this style expression will be found and imported. (list (filter even? [1 2 3 4 5])) The core functions are documented in 2 sections, one for basic functions like (even?..) and (nth ...) and one for all the sequence functions. Update: This removes all the caching decorators, misnamed as 'lazy-seq' from the core. All sequence methods now just use yield to return a generator, so they are Python-lazy Further refinements of core functions Cleaned up the docs to use 'iterator' instead of 'generator' Fixed drop to just return the iterator instead of an extra yield loop. But also added a test to catch dropping too many.
2013-07-08 04:36:26 +02:00
(defn test-odd []
"NATIVE: testing the odd? function"
(assert-true (odd? -3))
(assert-true (odd? 1))
Update: Updated most methods to replace While with For, and added tons of new tests for things like (cycle []) and lists with None's in them. thanks @olasd Add set of new core functions Add set of new core functions to the stdlib. Moved the auto-import code from compile_expression to HySymbol so that "even?' in this style expression will be found and imported. (list (filter even? [1 2 3 4 5])) The core functions are documented in 2 sections, one for basic functions like (even?..) and (nth ...) and one for all the sequence functions. Update: This removes all the caching decorators, misnamed as 'lazy-seq' from the core. All sequence methods now just use yield to return a generator, so they are Python-lazy Further refinements of core functions Cleaned up the docs to use 'iterator' instead of 'generator' Fixed drop to just return the iterator instead of an extra yield loop. But also added a test to catch dropping too many.
2013-07-08 04:36:26 +02:00
(assert-false (odd? 0))
(try (do (odd? "foo") (assert False))
(catch [e [TypeError]] (assert (in "not a number" (str e)))))
(try (do (odd? []) (assert False))
(catch [e [TypeError]] (assert (in "not a number" (str e)))))
(try (do (odd? None) (assert False))
(catch [e [TypeError]] (assert (in "not a number" (str e))))))
Add set of new core functions Add set of new core functions to the stdlib. Moved the auto-import code from compile_expression to HySymbol so that "even?' in this style expression will be found and imported. (list (filter even? [1 2 3 4 5])) The core functions are documented in 2 sections, one for basic functions like (even?..) and (nth ...) and one for all the sequence functions. Update: This removes all the caching decorators, misnamed as 'lazy-seq' from the core. All sequence methods now just use yield to return a generator, so they are Python-lazy Further refinements of core functions Cleaned up the docs to use 'iterator' instead of 'generator' Fixed drop to just return the iterator instead of an extra yield loop. But also added a test to catch dropping too many.
2013-07-08 04:36:26 +02:00
(defn test-pos []
"NATIVE: testing the pos? function"
(assert-true (pos? 2))
(assert-false (pos? -1))
Update: Updated most methods to replace While with For, and added tons of new tests for things like (cycle []) and lists with None's in them. thanks @olasd Add set of new core functions Add set of new core functions to the stdlib. Moved the auto-import code from compile_expression to HySymbol so that "even?' in this style expression will be found and imported. (list (filter even? [1 2 3 4 5])) The core functions are documented in 2 sections, one for basic functions like (even?..) and (nth ...) and one for all the sequence functions. Update: This removes all the caching decorators, misnamed as 'lazy-seq' from the core. All sequence methods now just use yield to return a generator, so they are Python-lazy Further refinements of core functions Cleaned up the docs to use 'iterator' instead of 'generator' Fixed drop to just return the iterator instead of an extra yield loop. But also added a test to catch dropping too many.
2013-07-08 04:36:26 +02:00
(assert-false (pos? 0))
(try (do (pos? "foo") (assert False))
(catch [e [TypeError]] (assert (in "not a number" (str e)))))
(try (do (pos? []) (assert False))
(catch [e [TypeError]] (assert (in "not a number" (str e)))))
(try (do (pos? None) (assert False))
(catch [e [TypeError]] (assert (in "not a number" (str e))))))
Add set of new core functions Add set of new core functions to the stdlib. Moved the auto-import code from compile_expression to HySymbol so that "even?' in this style expression will be found and imported. (list (filter even? [1 2 3 4 5])) The core functions are documented in 2 sections, one for basic functions like (even?..) and (nth ...) and one for all the sequence functions. Update: This removes all the caching decorators, misnamed as 'lazy-seq' from the core. All sequence methods now just use yield to return a generator, so they are Python-lazy Further refinements of core functions Cleaned up the docs to use 'iterator' instead of 'generator' Fixed drop to just return the iterator instead of an extra yield loop. But also added a test to catch dropping too many.
2013-07-08 04:36:26 +02:00
(defn test-remove []
"NATIVE: testing the remove function"
(setv r (list (remove odd? [1 2 3 4 5 6 7])))
(assert-equal r [2 4 6])
(assert-equal (list (remove even? [1 2 3 4 5])) [1 3 5])
(assert-equal (list (remove neg? [1 2 3 4 5])) [1 2 3 4 5])
Update: Updated most methods to replace While with For, and added tons of new tests for things like (cycle []) and lists with None's in them. thanks @olasd Add set of new core functions Add set of new core functions to the stdlib. Moved the auto-import code from compile_expression to HySymbol so that "even?' in this style expression will be found and imported. (list (filter even? [1 2 3 4 5])) The core functions are documented in 2 sections, one for basic functions like (even?..) and (nth ...) and one for all the sequence functions. Update: This removes all the caching decorators, misnamed as 'lazy-seq' from the core. All sequence methods now just use yield to return a generator, so they are Python-lazy Further refinements of core functions Cleaned up the docs to use 'iterator' instead of 'generator' Fixed drop to just return the iterator instead of an extra yield loop. But also added a test to catch dropping too many.
2013-07-08 04:36:26 +02:00
(assert-equal (list (remove pos? [1 2 3 4 5])) [])
;; deal with embedded None
(assert-equal (list (remove (fn [x] (not (numeric? x))) [1 2 None 3 None 4])) [1 2 3 4]))
Add set of new core functions Add set of new core functions to the stdlib. Moved the auto-import code from compile_expression to HySymbol so that "even?' in this style expression will be found and imported. (list (filter even? [1 2 3 4 5])) The core functions are documented in 2 sections, one for basic functions like (even?..) and (nth ...) and one for all the sequence functions. Update: This removes all the caching decorators, misnamed as 'lazy-seq' from the core. All sequence methods now just use yield to return a generator, so they are Python-lazy Further refinements of core functions Cleaned up the docs to use 'iterator' instead of 'generator' Fixed drop to just return the iterator instead of an extra yield loop. But also added a test to catch dropping too many.
2013-07-08 04:36:26 +02:00
(defn test-repeat []
"NATIVE: testing repeat"
(setv r (repeat 10))
(assert-equal (list (take 5 r)) [10 10 10 10 10])
(assert-equal (list (take 4 r)) [10 10 10 10])
(setv r (repeat 10 3))
(assert-equal (list r) [10 10 10]))
(defn test-repeatedly []
"NATIVE: testing repeatedly"
(setv r (repeatedly (fn [] (inc 4))))
(assert-equal (list (take 5 r)) [5 5 5 5 5])
(assert-equal (list (take 4 r)) [5 5 5 5])
(assert-equal (list (take 6 r)) [5 5 5 5 5 5]))
Second (smaller) set of native core functions This rounds out the first pass at a set of core functions, adding some that were not in the first PR. From here I'm working on a contrib.seq and contrib.io module to hold less obvious but maybe interesting native functions that can move to core if desired. This should also close out issure #150 asking for some core functions like these.
2013-07-29 18:40:48 +02:00
(defn test-second []
"NATIVE: testing second"
(assert-equal 2 (second [1 2]))
(assert-equal 3 (second [2 3 4])))
(defn test-string? []
"NATIVE: testing string?"
(assert-true (string? "foo"))
(assert-true (string? ""))
(assert-false (string? 5.3))
(assert-true (string? (str 5.3)))
(assert-false (string? None)))
Add set of new core functions Add set of new core functions to the stdlib. Moved the auto-import code from compile_expression to HySymbol so that "even?' in this style expression will be found and imported. (list (filter even? [1 2 3 4 5])) The core functions are documented in 2 sections, one for basic functions like (even?..) and (nth ...) and one for all the sequence functions. Update: This removes all the caching decorators, misnamed as 'lazy-seq' from the core. All sequence methods now just use yield to return a generator, so they are Python-lazy Further refinements of core functions Cleaned up the docs to use 'iterator' instead of 'generator' Fixed drop to just return the iterator instead of an extra yield loop. But also added a test to catch dropping too many.
2013-07-08 04:36:26 +02:00
(defn test-take []
"NATIVE: testing the take function"
(setv res (list (take 3 [1 2 3 4 5])))
(assert-equal res [1 2 3])
(setv res (list (take 4 (repeat "s"))))
(assert-equal res ["s" "s" "s" "s"])
(setv res (list (take 0 (repeat "s"))))
(assert-equal res [])
(setv res (list (take -1 (repeat "s"))))
Update: Updated most methods to replace While with For, and added tons of new tests for things like (cycle []) and lists with None's in them. thanks @olasd Add set of new core functions Add set of new core functions to the stdlib. Moved the auto-import code from compile_expression to HySymbol so that "even?' in this style expression will be found and imported. (list (filter even? [1 2 3 4 5])) The core functions are documented in 2 sections, one for basic functions like (even?..) and (nth ...) and one for all the sequence functions. Update: This removes all the caching decorators, misnamed as 'lazy-seq' from the core. All sequence methods now just use yield to return a generator, so they are Python-lazy Further refinements of core functions Cleaned up the docs to use 'iterator' instead of 'generator' Fixed drop to just return the iterator instead of an extra yield loop. But also added a test to catch dropping too many.
2013-07-08 04:36:26 +02:00
(assert-equal res [])
(setv res (list (take 6 [1 2 None 4])))
(assert-equal res [1 2 None 4]))
Add set of new core functions Add set of new core functions to the stdlib. Moved the auto-import code from compile_expression to HySymbol so that "even?' in this style expression will be found and imported. (list (filter even? [1 2 3 4 5])) The core functions are documented in 2 sections, one for basic functions like (even?..) and (nth ...) and one for all the sequence functions. Update: This removes all the caching decorators, misnamed as 'lazy-seq' from the core. All sequence methods now just use yield to return a generator, so they are Python-lazy Further refinements of core functions Cleaned up the docs to use 'iterator' instead of 'generator' Fixed drop to just return the iterator instead of an extra yield loop. But also added a test to catch dropping too many.
2013-07-08 04:36:26 +02:00
(defn test-take-nth []
"NATIVE: testing the take-nth function"
(setv res (list (take-nth 2 [1 2 3 4 5 6 7])))
(assert-equal res [1 3 5 7])
(setv res (list (take-nth 3 [1 2 3 4 5 6 7])))
(assert-equal res [1 4 7])
(setv res (list (take-nth 4 [1 2 3 4 5 6 7])))
(assert-equal res [1 5])
(setv res (list (take-nth 5 [1 2 3 4 5 6 7])))
(assert-equal res [1 6])
(setv res (list (take-nth 6 [1 2 3 4 5 6 7])))
(assert-equal res [1 7])
(setv res (list (take-nth 7 [1 2 3 4 5 6 7])))
(assert-equal res [1])
Update: Updated most methods to replace While with For, and added tons of new tests for things like (cycle []) and lists with None's in them. thanks @olasd Add set of new core functions Add set of new core functions to the stdlib. Moved the auto-import code from compile_expression to HySymbol so that "even?' in this style expression will be found and imported. (list (filter even? [1 2 3 4 5])) The core functions are documented in 2 sections, one for basic functions like (even?..) and (nth ...) and one for all the sequence functions. Update: This removes all the caching decorators, misnamed as 'lazy-seq' from the core. All sequence methods now just use yield to return a generator, so they are Python-lazy Further refinements of core functions Cleaned up the docs to use 'iterator' instead of 'generator' Fixed drop to just return the iterator instead of an extra yield loop. But also added a test to catch dropping too many.
2013-07-08 04:36:26 +02:00
;; what if there are None's in list
(setv res (list (take-nth 2 [1 2 3 None 5 6])))
(assert-equal res [1 3 5])
(setv res (list (take-nth 3 [1 2 3 None 5 6])))
(assert-equal res [1 None])
Add set of new core functions Add set of new core functions to the stdlib. Moved the auto-import code from compile_expression to HySymbol so that "even?' in this style expression will be found and imported. (list (filter even? [1 2 3 4 5])) The core functions are documented in 2 sections, one for basic functions like (even?..) and (nth ...) and one for all the sequence functions. Update: This removes all the caching decorators, misnamed as 'lazy-seq' from the core. All sequence methods now just use yield to return a generator, so they are Python-lazy Further refinements of core functions Cleaned up the docs to use 'iterator' instead of 'generator' Fixed drop to just return the iterator instead of an extra yield loop. But also added a test to catch dropping too many.
2013-07-08 04:36:26 +02:00
;; using 0 should raise ValueError
(let [[passed false]]
(try
(setv res (list (take-nth 0 [1 2 3 4 5 6 7])))
(catch [ValueError] (setv passed true)))
(assert passed)))
(defn test-take-while []
"NATIVE: testing the take-while function"
(setv res (list (take-while pos? [ 1 2 3 -4 5])))
Update: Updated most methods to replace While with For, and added tons of new tests for things like (cycle []) and lists with None's in them. thanks @olasd Add set of new core functions Add set of new core functions to the stdlib. Moved the auto-import code from compile_expression to HySymbol so that "even?' in this style expression will be found and imported. (list (filter even? [1 2 3 4 5])) The core functions are documented in 2 sections, one for basic functions like (even?..) and (nth ...) and one for all the sequence functions. Update: This removes all the caching decorators, misnamed as 'lazy-seq' from the core. All sequence methods now just use yield to return a generator, so they are Python-lazy Further refinements of core functions Cleaned up the docs to use 'iterator' instead of 'generator' Fixed drop to just return the iterator instead of an extra yield loop. But also added a test to catch dropping too many.
2013-07-08 04:36:26 +02:00
(assert-equal res [1 2 3])
Add set of new core functions Add set of new core functions to the stdlib. Moved the auto-import code from compile_expression to HySymbol so that "even?' in this style expression will be found and imported. (list (filter even? [1 2 3 4 5])) The core functions are documented in 2 sections, one for basic functions like (even?..) and (nth ...) and one for all the sequence functions. Update: This removes all the caching decorators, misnamed as 'lazy-seq' from the core. All sequence methods now just use yield to return a generator, so they are Python-lazy Further refinements of core functions Cleaned up the docs to use 'iterator' instead of 'generator' Fixed drop to just return the iterator instead of an extra yield loop. But also added a test to catch dropping too many.
2013-07-08 04:36:26 +02:00
(setv res (list (take-while neg? [ -1 -4 5 3 4])))
Update: Updated most methods to replace While with For, and added tons of new tests for things like (cycle []) and lists with None's in them. thanks @olasd Add set of new core functions Add set of new core functions to the stdlib. Moved the auto-import code from compile_expression to HySymbol so that "even?' in this style expression will be found and imported. (list (filter even? [1 2 3 4 5])) The core functions are documented in 2 sections, one for basic functions like (even?..) and (nth ...) and one for all the sequence functions. Update: This removes all the caching decorators, misnamed as 'lazy-seq' from the core. All sequence methods now just use yield to return a generator, so they are Python-lazy Further refinements of core functions Cleaned up the docs to use 'iterator' instead of 'generator' Fixed drop to just return the iterator instead of an extra yield loop. But also added a test to catch dropping too many.
2013-07-08 04:36:26 +02:00
(assert-false (= res [1 2]))
(setv res (list (take-while none? [None None 1 2 3])))
(assert-equal res [None None])
(setv res (list (take-while (fn [x] (not (none? x))) [1 2 3 4 None 5 6 None 7])))
(assert-equal res [1 2 3 4]))
gensym in Hy Simple implementation of gensym in Hy. Returns a new HySymbol. Usable in macros like: (defmacro nif [expr pos zero neg] (let [[g (gensym)]] `(let [[~g ~expr]] (cond [(pos? ~g) ~pos] [(zero? ~g) ~zero] [(neg? ~g) ~neg])))) This addresses all the general comments about (gensym), and doesn't try to implement "auto-gensym" yet. But clearly the macro approach instead of the pre-processor approach (as described in the letoverlambda (http://letoverlambda.com/index.cl/guest/chap3.html#sec_5) is the way to go
2013-12-15 01:33:56 +01:00
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