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cimport cython
# Py2.3 doesn't have the set type, but Cython does :)
_set = set
def setcomp():
"""
>>> type(setcomp()) is not list
True
>>> type(setcomp()) is _set
True
>>> sorted(setcomp())
[0, 4, 8]
"""
x = 'abc'
result = { x*2
for x in range(5)
if x % 2 == 0 }
assert x == 'abc' # do not leak
return result
@cython.test_assert_path_exists(
"//InlinedGeneratorExpressionNode",
"//ComprehensionAppendNode")
def genexp_set():
"""
>>> type(genexp_set()) is _set
True
>>> sorted(genexp_set())
[0, 4, 8]
"""
x = 'abc'
result = set( x*2
for x in range(5)
if x % 2 == 0 )
assert x == 'abc' # do not leak
return result
cdef class A:
def __repr__(self): return u"A"
def __richcmp__(one, other, int op): return one is other
def __hash__(self): return id(self) % 65536
def typed():
"""
>>> list(typed())
[A, A, A]
"""
cdef A obj
return {obj for obj in {A(), A(), A()}}
def iterdict():
"""
>>> sorted(iterdict())
[1, 2, 3]
"""
cdef dict d = dict(a=1,b=2,c=3)
return {d[key] for key in d}
def sorted(it):
l = list(it)
l.sort()
return l
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