1.3 KiB
1.3 KiB
[comparisons.equal.to]
22 General utilities library [utilities]
22.10 Function objects [function.objects]
22.10.8 Comparisons [comparisons]
22.10.8.2 Class template equal_to [comparisons.equal.to]
template<class T = void> struct equal_to { constexpr bool operator()(const T& x, const T& y) const; };
constexpr bool operator()(const T& x, const T& y) const;
Returns: x == y.
`template<> struct equal_to { template<class T, class U> constexpr auto operator()(T&& t, U&& u) const -> decltype(std::forward(t) == std::forward(u));
using is_transparent = unspecified; }; `
template<class T, class U> constexpr auto operator()(T&& t, U&& u) const -> decltype(std::forward<T>(t) == std::forward<U>(u));
Returns: std::forward(t) == std::forward(u).