Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/g++.dg/ext/char8_t-deduction-2.C @ 145:1830386684a0
gcc-9.2.0
author | anatofuz |
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date | Thu, 13 Feb 2020 11:34:05 +0900 |
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// Test that char8_t is deduced for UTF-8 character and string literals when // -fchar8_t is in effect. // { dg-do compile } // { dg-options "-std=c++17 -fchar8_t" } template<typename T1, typename T2> struct is_same { static const bool value = false; }; template<typename T> struct is_same<T, T> { static const bool value = true; }; template<typename T1, typename T2, typename T3> void ft(T1, T2, T3 &) { static_assert(is_same<T1, char8_t>::value, "Error"); static_assert(is_same<T2, const char8_t*>::value, "Error"); static_assert(is_same<T3, const char8_t[2]>::value, "Error"); } auto x = (ft(u8'x', u8"x", u8"x"),0); auto c8 = u8'x'; static_assert(is_same<decltype(c8), char8_t>::value, "Error"); auto c8p = u8"x"; static_assert(is_same<decltype(c8p), const char8_t*>::value, "Error"); auto &c8a = u8"x"; static_assert(is_same<decltype(c8a), const char8_t(&)[2]>::value, "Error");