1.3 KiB
1.3 KiB
[arithmetic.operations.minus]
22 General utilities library [utilities]
22.10 Function objects [function.objects]
22.10.7 Arithmetic operations [arithmetic.operations]
22.10.7.3 Class template minus [arithmetic.operations.minus]
template<class T = void> struct minus { constexpr T operator()(const T& x, const T& y) const; };
constexpr T operator()(const T& x, const T& y) const;
Returns: x - y.
`template<> struct minus { 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).