63 lines
1.4 KiB
C++
63 lines
1.4 KiB
C++
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//===----------------------------------------------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is dual licensed under the MIT and the University of Illinois Open
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// Source Licenses. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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// template<class E> class initializer_list;
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// const E* begin() const;
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// const E* end() const;
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// size_t size() const;
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#include <initializer_list>
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#include <cassert>
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#ifndef _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS
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struct A
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{
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A(std::initializer_list<int> il)
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{
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const int* b = il.begin();
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const int* e = il.end();
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assert(il.size() == 3);
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assert(e - b == il.size());
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assert(*b++ == 3);
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assert(*b++ == 2);
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assert(*b++ == 1);
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}
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};
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#if _LIBCPP_STD_VER > 11
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struct B
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{
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constexpr B(std::initializer_list<int> il)
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{
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const int* b = il.begin();
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const int* e = il.end();
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assert(il.size() == 3);
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assert(e - b == il.size());
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assert(*b++ == 3);
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assert(*b++ == 2);
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assert(*b++ == 1);
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}
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};
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#endif // _LIBCPP_STD_VER > 11
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#endif // _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS
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int main()
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{
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#ifndef _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS
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A test1 = {3, 2, 1};
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#endif
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#if _LIBCPP_STD_VER > 11
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constexpr B test2 = {3, 2, 1};
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#endif // _LIBCPP_STD_VER > 11
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}
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