tmp/tmpvnhtpyl1/{from.md → to.md}
RENAMED
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@@ -3,36 +3,69 @@
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The library provides basic function object classes for all of the
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logical operators in the language ([[expr.log.and]], [[expr.log.or]],
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[[expr.unary.op]]).
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``` cpp
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template <class T> struct logical_and {
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bool operator()(const T& x, const T& y) const;
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typedef T first_argument_type;
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typedef T second_argument_type;
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typedef bool result_type;
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};
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```
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`operator()` returns `x && y`.
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``` cpp
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template <class T> struct logical_or {
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bool operator()(const T& x, const T& y) const;
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typedef T first_argument_type;
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typedef T second_argument_type;
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typedef bool result_type;
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};
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```
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`operator()` returns `x || y`.
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``` cpp
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template <class T> struct logical_not {
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bool operator()(const T& x) const;
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typedef T argument_type;
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typedef bool result_type;
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};
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```
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`operator()` returns `!x`.
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The library provides basic function object classes for all of the
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logical operators in the language ([[expr.log.and]], [[expr.log.or]],
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[[expr.unary.op]]).
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``` cpp
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+
template <class T = void> struct logical_and {
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constexpr bool operator()(const T& x, const T& y) const;
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typedef T first_argument_type;
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typedef T second_argument_type;
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typedef bool result_type;
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};
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```
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`operator()` returns `x && y`.
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``` cpp
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template <class T = void> struct logical_or {
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constexpr bool operator()(const T& x, const T& y) const;
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typedef T first_argument_type;
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typedef T second_argument_type;
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typedef bool result_type;
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};
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```
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`operator()` returns `x || y`.
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``` cpp
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template <class T = void> struct logical_not {
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constexpr bool operator()(const T& x) const;
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typedef T argument_type;
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typedef bool result_type;
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};
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```
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`operator()` returns `!x`.
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``` cpp
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template <> struct logical_and<void> {
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template <class T, class U> constexpr auto operator()(T&& t, U&& u) const
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-> decltype(std::forward<T>(t) && std::forward<U>(u));
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typedef unspecified is_transparent;
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};
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```
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`operator()` returns `std::forward<T>(t) && std::forward<U>(u)`.
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``` cpp
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template <> struct logical_or<void> {
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template <class T, class U> constexpr auto operator()(T&& t, U&& u) const
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-> decltype(std::forward<T>(t) || std::forward<U>(u));
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typedef unspecified is_transparent;
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};
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```
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`operator()` returns `std::forward<T>(t) || std::forward<U>(u)`.
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``` cpp
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template <> struct logical_not<void> {
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template <class T> constexpr auto operator()(T&& t) const
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-> decltype(!std::forward<T>(t));
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typedef unspecified is_transparent;
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};
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```
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`operator()` returns `!std::forward<T>(t)`.
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