More support for N3657; tests for is_transparent
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@188242 91177308-0d34-0410-b5e6-96231b3b80d8
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		@@ -0,0 +1,52 @@
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#include <functional>
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#include <string>
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template <class _Tp>
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struct is_transparent
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{
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private:
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    struct __two {char __lx; char __lxx;};
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    template <class _Up> static __two __test(...);
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    template <class _Up> static char __test(typename _Up::is_transparent* = 0);
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public:
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    static const bool value = sizeof(__test<_Tp>(0)) == 1;
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};
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int main () {
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#if _LIBCPP_STD_VER > 11
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    static_assert ( !is_transparent<std::plus<int>>::value, "" );
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    static_assert ( !is_transparent<std::plus<std::string>>::value, "" );
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    static_assert (  is_transparent<std::plus<void>>::value, "" );
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    static_assert (  is_transparent<std::plus<>>::value, "" );
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    static_assert ( !is_transparent<std::minus<int>>::value, "" );
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    static_assert ( !is_transparent<std::minus<std::string>>::value, "" );
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    static_assert (  is_transparent<std::minus<void>>::value, "" );
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    static_assert (  is_transparent<std::minus<>>::value, "" );
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    static_assert ( !is_transparent<std::multiplies<int>>::value, "" );
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    static_assert ( !is_transparent<std::multiplies<std::string>>::value, "" );
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    static_assert (  is_transparent<std::multiplies<void>>::value, "" );
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    static_assert (  is_transparent<std::multiplies<>>::value, "" );
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    static_assert ( !is_transparent<std::divides<int>>::value, "" );
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    static_assert ( !is_transparent<std::divides<std::string>>::value, "" );
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    static_assert (  is_transparent<std::divides<void>>::value, "" );
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    static_assert (  is_transparent<std::divides<>>::value, "" );
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    static_assert ( !is_transparent<std::modulus<int>>::value, "" );
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    static_assert ( !is_transparent<std::modulus<std::string>>::value, "" );
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    static_assert (  is_transparent<std::modulus<void>>::value, "" );
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    static_assert (  is_transparent<std::modulus<>>::value, "" );
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    static_assert ( !is_transparent<std::negate<int>>::value, "" );
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    static_assert ( !is_transparent<std::negate<std::string>>::value, "" );
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    static_assert (  is_transparent<std::negate<void>>::value, "" );
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    static_assert (  is_transparent<std::negate<>>::value, "" );
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#endif
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    return 0;
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    }
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@@ -0,0 +1,42 @@
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#include <functional>
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#include <string>
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template <class _Tp>
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struct is_transparent
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{
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private:
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    struct __two {char __lx; char __lxx;};
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    template <class _Up> static __two __test(...);
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    template <class _Up> static char __test(typename _Up::is_transparent* = 0);
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public:
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    static const bool value = sizeof(__test<_Tp>(0)) == 1;
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};
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int main () {
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#if _LIBCPP_STD_VER > 11
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    static_assert ( !is_transparent<std::bit_and<int>>::value, "" );
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    static_assert ( !is_transparent<std::bit_and<std::string>>::value, "" );
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    static_assert (  is_transparent<std::bit_and<void>>::value, "" );
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    static_assert (  is_transparent<std::bit_and<>>::value, "" );
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    static_assert ( !is_transparent<std::bit_or<int>>::value, "" );
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    static_assert ( !is_transparent<std::bit_or<std::string>>::value, "" );
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    static_assert (  is_transparent<std::bit_or<void>>::value, "" );
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    static_assert (  is_transparent<std::bit_or<>>::value, "" );
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    static_assert ( !is_transparent<std::bit_xor<int>>::value, "" );
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    static_assert ( !is_transparent<std::bit_xor<std::string>>::value, "" );
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    static_assert (  is_transparent<std::bit_xor<void>>::value, "" );
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    static_assert (  is_transparent<std::bit_xor<>>::value, "" );
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    static_assert ( !is_transparent<std::bit_not<int>>::value, "" );
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    static_assert ( !is_transparent<std::bit_not<std::string>>::value, "" );
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    static_assert (  is_transparent<std::bit_not<void>>::value, "" );
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    static_assert (  is_transparent<std::bit_not<>>::value, "" );
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#endif
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    return 0;
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    }
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@@ -0,0 +1,52 @@
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#include <functional>
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#include <string>
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template <class _Tp>
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struct is_transparent
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{
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private:
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    struct __two {char __lx; char __lxx;};
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    template <class _Up> static __two __test(...);
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    template <class _Up> static char __test(typename _Up::is_transparent* = 0);
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public:
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    static const bool value = sizeof(__test<_Tp>(0)) == 1;
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};
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int main () {
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#if _LIBCPP_STD_VER > 11
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    static_assert ( !is_transparent<std::less<int>>::value, "" );
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    static_assert ( !is_transparent<std::less<std::string>>::value, "" );
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    static_assert (  is_transparent<std::less<void>>::value, "" );
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    static_assert (  is_transparent<std::less<>>::value, "" );
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    static_assert ( !is_transparent<std::less_equal<int>>::value, "" );
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    static_assert ( !is_transparent<std::less_equal<std::string>>::value, "" );
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    static_assert (  is_transparent<std::less_equal<void>>::value, "" );
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    static_assert (  is_transparent<std::less_equal<>>::value, "" );
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    static_assert ( !is_transparent<std::equal_to<int>>::value, "" );
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    static_assert ( !is_transparent<std::equal_to<std::string>>::value, "" );
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    static_assert (  is_transparent<std::equal_to<void>>::value, "" );
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    static_assert (  is_transparent<std::equal_to<>>::value, "" );
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    static_assert ( !is_transparent<std::not_equal_to<int>>::value, "" );
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    static_assert ( !is_transparent<std::not_equal_to<std::string>>::value, "" );
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    static_assert (  is_transparent<std::not_equal_to<void>>::value, "" );
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    static_assert (  is_transparent<std::not_equal_to<>>::value, "" );
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    static_assert ( !is_transparent<std::greater<int>>::value, "" );
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    static_assert ( !is_transparent<std::greater<std::string>>::value, "" );
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    static_assert (  is_transparent<std::greater<void>>::value, "" );
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    static_assert (  is_transparent<std::greater<>>::value, "" );
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    static_assert ( !is_transparent<std::greater_equal<int>>::value, "" );
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    static_assert ( !is_transparent<std::greater_equal<std::string>>::value, "" );
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    static_assert (  is_transparent<std::greater_equal<void>>::value, "" );
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    static_assert (  is_transparent<std::greater_equal<>>::value, "" );
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#endif
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    return 0;
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    }
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@@ -0,0 +1,37 @@
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#include <functional>
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#include <string>
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template <class _Tp>
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struct is_transparent
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{
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private:
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    struct __two {char __lx; char __lxx;};
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    template <class _Up> static __two __test(...);
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    template <class _Up> static char __test(typename _Up::is_transparent* = 0);
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public:
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    static const bool value = sizeof(__test<_Tp>(0)) == 1;
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};
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int main () {
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#if _LIBCPP_STD_VER > 11
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    static_assert ( !is_transparent<std::logical_and<int>>::value, "" );
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    static_assert ( !is_transparent<std::logical_and<std::string>>::value, "" );
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    static_assert (  is_transparent<std::logical_and<void>>::value, "" );
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    static_assert (  is_transparent<std::logical_and<>>::value, "" );
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    static_assert ( !is_transparent<std::logical_or<int>>::value, "" );
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    static_assert ( !is_transparent<std::logical_or<std::string>>::value, "" );
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    static_assert (  is_transparent<std::logical_or<void>>::value, "" );
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    static_assert (  is_transparent<std::logical_or<>>::value, "" );
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    static_assert ( !is_transparent<std::logical_not<int>>::value, "" );
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    static_assert ( !is_transparent<std::logical_not<std::string>>::value, "" );
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    static_assert (  is_transparent<std::logical_not<void>>::value, "" );
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    static_assert (  is_transparent<std::logical_not<>>::value, "" );
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#endif
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    return 0;
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    }
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