Merge pull request #1609 from pyx/fix-doc-typo

Documentation improvement
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Kodi Arfer 2018-05-16 15:22:59 -07:00 committed by GitHub
commit 60c0f60a32
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9 changed files with 41 additions and 40 deletions

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@ -55,7 +55,7 @@ This results in the sequence ``[0 1 1 2 3 5 8 13 21 34 ...]``.
seq
===
Usage: ``(seq [n] (* n n)``
Usage: ``(seq [n] (* n n))``
Creates a sequence defined in terms of ``n``.

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@ -233,7 +233,7 @@ as the user enters *k*.
.. code-block:: clj
(while True (if (= "k" (raw-input "? "))
(while True (if (= "k" (input "? "))
(break)
(print "Try again")))
@ -1398,7 +1398,7 @@ repexpr]])``, but a less error-prone approach is to change the definition of
(defmacro foo [n]
`(do
(require mymodule)
(mymodule.repexpr ~n (raw-input "Gimme some input: "))))
(mymodule.repexpr ~n (input "Gimme some input: "))))
It's wise to use ``(require mymodule)`` here rather than ``(require [mymodule
[repexpr]])`` to avoid accidentally shadowing a function named ``repexpr`` in

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@ -652,7 +652,7 @@ calling ``(f val-in-result val-in-latter)``.
.. code-block:: hy
=> (merge-with (fn [x y] (+ x y)) {"a" 10 "b" 20} {"a" 1 "c" 30})
=> (merge-with + {"a" 10 "b" 20} {"a" 1 "c" 30})
{u'a': 11L, u'c': 30L, u'b': 20L}
@ -1201,9 +1201,9 @@ if *from-file* ends before a complete expression can be parsed.
4
=> (import io)
=> (setv buffer (io.StringIO "(+ 2 2)\n(- 2 1)"))
=> (eval (read :from_file buffer))
=> (eval (read :from-file buffer))
4
=> (eval (read :from_file buffer))
=> (eval (read :from-file buffer))
1
=> (with [f (open "example.hy" "w")]

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@ -323,13 +323,13 @@ Will turn into::
else:
_temp_name_here = False
print _temp_name_here
print(_temp_name_here)
OK, that was a bit of a lie, since we actually turn that statement
into::
print True if True else False
print(True if True else False)
By forcing things into an ``ast.expr`` if we can, but the general idea holds.
@ -412,10 +412,11 @@ so our re-written ``nif`` would look like:
(defmacro nif [expr pos-form zero-form neg-form]
(with-gensyms [g]
`(setv [~g ~expr])
`(cond [(pos? ~g) ~pos-form]
`(do
(setv ~g ~expr)
(cond [(pos? ~g) ~pos-form]
[(zero? ~g) ~zero-form]
[(neg? ~g) ~neg-form])))
[(neg? ~g) ~neg-form]))))
Finally, though we can make a new macro that does all this for us. :ref:`defmacro/g!`
will take all symbols that begin with ``g!`` and automatically call ``gensym`` with the

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@ -120,7 +120,7 @@ This is the basic premise of Lisp. Lisp stands for "list
processing"; this means that the structure of the program is
actually lists of lists. (If you're familiar with Python lists,
imagine the entire same structure as above but with square brackets
instead, any you'll be able to see the structure above as both a
instead, and you'll be able to see the structure above as both a
program and a data structure.) This is easier to understand with more
examples, so let's write a simple Python program, test it, and then
show the equivalent Hy program::