Robin Davies
51 lines
1.7 KiB
C++
51 lines
1.7 KiB
C++
// Copyright (c) 2021 Robin Davies
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy of
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// this software and associated documentation files (the "Software"), to deal in
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// the Software without restriction, including without limitation the rights to
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// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
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// the Software, and to permit persons to whom the Software is furnished to do so,
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// subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in all
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// copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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// FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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// COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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// IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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#include "pch.h"
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class TargetClass
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{
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public:
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void read(int*t) { }
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void read(double*t) { }
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void read2(double*t) { }
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};
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#ifdef JUNK
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template <typename T>
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class HasJsonRead {
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template <typename TYPE, typename ARG>
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static std::true_type test (decltype(TargetClass().read((ARG*)nullptr))*v) { return std::true_type();};
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template <typename TYPE, typename ARG>
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static std::false_type test (...);
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public:
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static constexpr bool value = decltype(test<TargetClass,T>(nullptr))::value;
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};
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class X{
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static_assert(HasJsonRead<float>::value,"TEST FAILED.");
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};
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#endif |