The library provides basic function object classes for all of the bitwise operators in the language ([expr.bit.and], [expr.or], [expr.xor], [expr.unary.op]).
template <class T = void> struct bit_and {
constexpr T operator()(const T& x, const T& y) const;
};
constexpr T operator()(const T& x, const T& y) const;
template <> struct bit_and<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));
template <class T = void> struct bit_or {
constexpr T operator()(const T& x, const T& y) const;
};
constexpr T operator()(const T& x, const T& y) const;
template <> struct bit_or<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));
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;
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));
template <class T = void> struct bit_not {
constexpr T operator()(const T& x) const;
};
constexpr T operator()(const T& x) const;
template <> struct bit_not<void> {
template <class T> constexpr auto operator()(T&& t) const
-> decltype(~std::forward<T>(t));
using is_transparent = unspecified;
};
template <class T> constexpr auto operator()(T&&) const
-> decltype(~std::forward<T>(t));