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std::equal_to(3) C++ Standard Libary std::equal_to(3) NAME std::equal_to - std::equal_to Synopsis Defined in header <functional> template<> (since C++14) class equal_to<void>; std::equal_to<void> is a specialization of std::equal_to with para- meter and return type deduced. Member functions operator() tests if the two arguments compare equal (public member function) std::equal_to<void>::operator() template< class T, class U > constexpr auto operator()( T&& lhs, U&& rhs ) const -> decltype(std::forward<T>(lhs) == std::forward<U>(rhs)); Returns the result of equality comparison between lhs and rhs. Parameters lhs, rhs - values to compare Return value std::forward<T>(lhs) == std::forward<U>(rhs). Example // Run this code #include <functional> int main() { constexpr int a = 0, b = 8; std::equal_to<> equal{}; static_assert(equal(a, a)); static_assert(!equal(a, b)); } http://cppreference.com 2024.06.10 std::equal_to(3)
NAME | Synopsis | Member functions | Parameters | Return value | Example
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