Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/g++.dg/cpp0x/sfinae62.C @ 131:84e7813d76e9
gcc-8.2
author | mir3636 |
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date | Thu, 25 Oct 2018 07:37:49 +0900 |
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// PR c++/70563 // { dg-do compile { target c++11 } } template<typename... T> using void_t = void; template<typename T> struct TemporaryBindObject { }; struct MyTrueType { static constexpr bool value = true; }; struct MyFalseType { static constexpr bool value = false; }; template<template<typename...> class Dest> struct TestValidBind { template<typename T, typename = void_t<>> struct toTypesOf : MyFalseType {}; template<template<typename...> class Src, typename... Ts> struct toTypesOf<Src<Ts...>, void_t<Dest<Ts...,float>>> : MyTrueType {}; }; template<typename T> struct OneParamStruct { }; template<typename T1, typename T2> struct TwoParamStruct { }; using tmp = TemporaryBindObject<int>; int main() { bool value1 = TestValidBind<TwoParamStruct>::toTypesOf<TemporaryBindObject<int>>::value; bool value2 = TestValidBind<OneParamStruct>::toTypesOf<TemporaryBindObject<int>>::value; }