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# mode: run
# tag: cpp, werror
# cython: experimental_cpp_class_def=True
from libcpp.vector cimport vector
cdef cppclass Wrapper[T]:
T value
__init__(T &value):
this.value = value
void set(T &value):
this.value = value
T get() const:
return this.value
def test_const_get(int x):
"""
>>> test_const_get(10)
10
"""
cdef const Wrapper[int] *wrapper = new Wrapper[int](x)
try:
return const_get(wrapper[0])
finally:
del wrapper
cdef int const_get(const Wrapper[int] wrapper):
return wrapper.get()
def test_const_ref_get(int x):
"""
>>> test_const_ref_get(100)
100
"""
cdef const Wrapper[int] *wrapper = new Wrapper[int](x)
try:
return const_ref_get(wrapper[0])
finally:
del wrapper
cdef int const_ref_get(const Wrapper[int] &wrapper):
return wrapper.get()
def test_const_pointer_get(int x):
"""
>>> test_const_pointer_get(1000)
1000
"""
cdef Wrapper[int] *wrapper = new Wrapper[int](x)
cdef const Wrapper[int] *const_wrapper = wrapper
try:
return const_wrapper.get()
finally:
del wrapper
# TODO: parse vector[Wrapper[int]*]
ctypedef Wrapper[int] wrapInt
def test_vector_members(py_a, py_b):
"""
>>> test_vector_members([1, 2, 3], [4,5, 6])
([1, 2, 3], 4)
"""
cdef Wrapper[int] *value
cdef const Wrapper[int] *const_value
cdef vector[const Wrapper[int]*] a
cdef vector[wrapInt*] b
for x in py_a:
a.push_back(new Wrapper[int](x))
for x in py_b:
b.push_back(new Wrapper[int](x))
try:
return vector_members(a, b)
finally:
for const_value in a:
del const_value
for value in b:
del value
cdef vector_members(vector[const Wrapper[int]*] a, const vector[wrapInt*] b):
# TODO: Cython-level error.
# b[0].set(100)
# TODO: const_iterator
return [x.get() for x in a], b[0].get()
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