cython

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# mode: run
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# tag: cpp, werror, cpp11, no-cpp-locals
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from cython.operator cimport dereference as deref
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from cython.operator cimport preincrement as incr
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from libcpp.forward_list cimport forward_list
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from libcpp cimport bool as cbool
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def simple_iteration_test(L):
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    """
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    >>> iteration_test([1,2,4,8])
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    8
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    4
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    2
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    1
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    >>> iteration_test([8,4,2,1])
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    1
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    2
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    4
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    8
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    """
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    cdef forward_list[int] l
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    for a in L:
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        l.push_front(a)
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    for a in l:
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        print(a)
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def iteration_test(L):
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    """
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    >>> iteration_test([1,2,4,8])
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    8
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    4
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    2
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    1
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    >>> iteration_test([8,4,2,1])
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    1
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    2
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    4
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    8
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    """
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    l = new forward_list[int]()
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    try:
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        for a in L:
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            l.push_front(a)
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        it = l.begin()
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        while it != l.end():
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            a = deref(it)
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            incr(it)
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            print(a)
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    finally:
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        del l
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def test_value_type(x):
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    """
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    >>> test_value_type(2)
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    2.0
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    >>> test_value_type(2.5)
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    2.5
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    """
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    cdef forward_list[double].value_type val = x
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    return val
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def test_value_type_complex(x):
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    """
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    >>> test_value_type_complex(2)
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    (2+0j)
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    """
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    cdef forward_list[double complex].value_type val = x
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    return val
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#  Tests GitHub issue #1788.
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cdef cppclass MyForwardList[T](forward_list):
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    pass
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cdef cppclass Ints(MyForwardList[int]):
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    pass
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