Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/g++.dg/cpp0x/constexpr-data2.C @ 145:1830386684a0
gcc-9.2.0
author | anatofuz |
---|---|
date | Thu, 13 Feb 2020 11:34:05 +0900 |
parents | 84e7813d76e9 |
children |
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// { dg-do compile { target c++11 } } template<typename _Tp, _Tp v> struct A3 { typedef _Tp value_type; typedef A3<value_type,v> type; static constexpr value_type value = v; constexpr operator value_type() { return value; } }; // Partial specialization. template<typename _Tp, _Tp* v> struct A3<_Tp*, v> { typedef _Tp* value_type; typedef A3<value_type,v> type; static constexpr value_type value = v; constexpr operator value_type() { return value; } }; // Explicit specialization. template<> struct A3<unsigned short, 0> { typedef unsigned short value_type; typedef A3<value_type, 0> type; static constexpr value_type value = 0; constexpr operator value_type() { return value; } }; // Explicitly instantiate. template struct A3<int, 415>; // Extern explicitly instantiate. extern template struct A3<int, 510>; // Use. A3<int, 1111> a31; A3<char, 9999> a32; // { dg-error "narrowing conversion" }