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Showing content from https://timsong-cpp.github.io/cppwp/n4659/bitwise.operations below:

[bitwise.operations]

23 General utilities library [utilities] 23.14 Function objects [function.objects] 23.14.9 Bitwise operations [bitwise.operations] 23.14.9.1 Class template bit_and [bitwise.operations.and]

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)); 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));

Returns: std::forward<T>(t) & std::forward(u).

23.14.9.2 Class template bit_or [bitwise.operations.or]

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)); 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));

Returns: std::forward<T>(t) | std::forward(u).

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;

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)); 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));

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

23.14.9.4 Class template bit_not [bitwise.operations.not]

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));

Returns: ~std::forward<T>(t).

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