std::ranges::less_equal(3) C++ Standard Libary std::ranges::less_equal(3) NAME std::ranges::less_equal - std::ranges::less_equal Synopsis Defined in header <functional> struct less_equal; (since C++20) Function object for performing comparisons. Deduces the parameter types of the function call operator from the arguments (but not the return type). Member functions operator() checks if the first argument is less than or equal to the second (public member function) std::ranges::less_equal::operator() template< class T, class U > constexpr bool operator()( T&& t, U&& u ) const; Equivalent to return !ranges::less{}(std::forward<U>(u), std::for- ward<T>(t));. This overload participates in overload resolution only if std::totally_ordered_with<T, U> is satisfied. Notes Unlike std::less_equal, std::ranges::less_equal requires all six compar- ison operators <, <=, >, >=, == and != to be valid (via the totally_or- dered_with constraint) and is entirely defined in terms of std::ranges::less. Example This section is incomplete Reason: no example Defect reports The following behavior-changing defect reports were applied retroac- tively to previously published C++ standards. DR Applied to Behavior as published Correct be- havior LWG 3530 C++20 syntactic checks were relaxed only semantic re- quirements are while comparing pointers relaxed See also less_equal function object implementing x <= y (class template) Category: * Todo no example http://cppreference.com 2024.06.10 std::ranges::less_equal(3)
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