toolbox::traits::has_toString< T > Struct Template Reference

检查类型是否有toString方法(C++17之前版本)/Check if type has toString method (pre-C++17 version) More...

#include <type_traits.hpp>

Static Public Attributes
static constexpr bool	value = decltype(test<T>(0))::value

Detailed Description

template<typename T>
struct toolbox::traits::has_toString< T >

检查类型是否有toString方法(C++17之前版本)/Check if type has toString method (pre-C++17 version)

Template Parameters

T	要检查的类型/Type to check

struct WithToString {
  std::string toString() { return "hello"; }
};
struct WithoutToString {};
 
static_assert(has_toString<WithToString>::value);
static_assert(!has_toString<WithoutToString>::value);

Member Data Documentation

value

template<typename T >

constexpr bool toolbox::traits::has_toString< T >::value = decltype(test<T>(0))::value

staticconstexpr

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The documentation for this struct was generated from the following file:

• src/include/cpp-toolbox/type_traits.hpp