std::less< T > Class Template Reference

Function object that can be invoked for less than comparisons. More...

Public Types
using	first_argument_type = T
	Type of the first value to compare.
using	result_type = bool
	Result type of invoking this object.
using	second_argument_type = T
	Type of the second value to compare.

Public Member Functions
constexpr auto	operator() (T const &lhs, T const &rhs) const noexcept(noexcept(lhs< rhs)) -> bool
	Returns if the first value is less than the second.

Detailed Description

template<class T = void>
class std::less< T >

Function object that can be invoked for less than comparisons.

Template Parameters

T	The type of the values

Note

This class contains the member types result_type, first_argument type, and second_argument type. These aliases have been deprecated in C++17 and removed in C++20.

Member Typedef Documentation

first_argument_type

template<class T = void>

using std::less< T >::first_argument_type = T

Type of the first value to compare.

result_type

template<class T = void>

using std::less< T >::result_type = bool

Result type of invoking this object.

second_argument_type

template<class T = void>

using std::less< T >::second_argument_type = T

Type of the second value to compare.

Member Function Documentation

operator()()

template<class T = void>

auto std::less< T >::operator() ( T const & lhs, T const & rhs ) const -> bool

inlineconstexprnoexcept

Returns if the first value is less than the second.

Parameters

lhs	The first value to compare
rhs	The second value to compare

Returns

Returns the boolean result of invoking operator< on lhs and rhs

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The documentation for this class was generated from the following file:

• stdlib/include/stdlib_detail/less.hpp