std:: is_eq, std:: is_neq, std:: is_lt, std:: is_gt, std:: is_lteq, std:: is_gteq

Defined in header <compare>
constexpr bool is_eq ( std:: partial_ordering cmp ) noexcept ;	(1)	(since C++20)
constexpr bool is_neq ( std:: partial_ordering cmp ) noexcept ;	(2)	(since C++20)
constexpr bool is_lt ( std:: partial_ordering cmp ) noexcept ;	(3)	(since C++20)
constexpr bool is_lteq ( std:: partial_ordering cmp ) noexcept ;	(4)	(since C++20)
constexpr bool is_gt ( std:: partial_ordering cmp ) noexcept ;	(5)	(since C++20)
constexpr bool is_gteq ( std:: partial_ordering cmp ) noexcept ;	(6)	(since C++20)

These functions take a result of 3-way comparison and convert it to the result of one of the six relational operators

Specifically, these functions return

Parameters

cmp

-

result of 3-way comparison

Return value

bool result of the corresponding relational operation

Example

This section is incomplete Reason: no example

See also

partial_ordering (C++20)

the result type of 3-way comparison that supports all 6 operators, is not substitutable, and allows incomparable values (class)