23 General utilities library [utilities]

23.14 Function objects [function.objects]

23.14.9 Bitwise operations [bitwise.operations]

23.14.9.3 Class template bit_­xor [bitwise.operations.xor]

template <class T = void> struct bit_xor { constexpr T operator()(const T& x, const T& y) const; };

constexpr T operator()(const T& x, const T& y) const;

1
#

Returns: x ^ y.

template <> struct bit_xor<void> { template <class T, class U> constexpr auto operator()(T&& t, U&& u) const -> decltype(std::forward<T>(t) ^ std::forward<U>(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));

2
#

Returns: std​::​forward<T>(t) ^ std​::​forward<U>(u).