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Merge pull request #358 from theanalyst/feature/macros-none

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Allow macros to return None, fixes #357
This commit is contained in:
Morten Linderud 2013-12-06 03:53:44 -08:00
commit 699396b5a3
2 changed files with 5 additions and 1 deletions
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3
hy/macros.py
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@ -84,7 +84,8 @@ _wrappers = {
complex: HyComplex, complex: HyComplex,
str_type: HyString, str_type: HyString,
dict: lambda d: HyDict(_wrap_value(x) for x in sum(d.items(), ())), dict: lambda d: HyDict(_wrap_value(x) for x in sum(d.items(), ())),
list: lambda l: HyList(_wrap_value(x) for x in l) list: lambda l: HyList(_wrap_value(x) for x in l),
type(None): lambda foo: HySymbol("None"),
} }

3
tests/native_tests/native_macros.hy
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@ -34,6 +34,9 @@
(defmacro a-dict [] {1 2}) (defmacro a-dict [] {1 2})
(assert (= (a-dict) {1 2})) (assert (= (a-dict) {1 2}))
(defmacro a-none [])
(assert (= (a-none) None))
; A macro calling a previously defined function ; A macro calling a previously defined function
(eval-when-compile (eval-when-compile
(defn foo [x y] (defn foo [x y]