63 lines
1.9 KiB
Markdown
63 lines
1.9 KiB
Markdown
[syserr.compare]
|
|
|
|
# 19 Diagnostics library [[diagnostics]](./#diagnostics)
|
|
|
|
## 19.5 System error support [[syserr]](syserr#compare)
|
|
|
|
### 19.5.6 Comparison operator functions [syserr.compare]
|
|
|
|
[ð](#lib:operator==,error_code)
|
|
|
|
`bool operator==(const error_code& lhs, const error_code& rhs) noexcept;
|
|
`
|
|
|
|
[1](#1)
|
|
|
|
[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/diagnostics.tex#L1438)
|
|
|
|
*Returns*: lhs.category() == rhs.category() && lhs.value() == rhs.value()
|
|
|
|
[ð](#lib:operator==,error_condition)
|
|
|
|
`bool operator==(const error_code& lhs, const error_condition& rhs) noexcept;
|
|
`
|
|
|
|
[2](#2)
|
|
|
|
[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/diagnostics.tex#L1452)
|
|
|
|
*Returns*: lhs.category().equivalent(lhs.value(), rhs) || rhs.category().equivalent(lhs, rhs.value())
|
|
|
|
[ð](#lib:operator==,error_condition_)
|
|
|
|
`bool operator==(const error_condition& lhs, const error_condition& rhs) noexcept;
|
|
`
|
|
|
|
[3](#3)
|
|
|
|
[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/diagnostics.tex#L1465)
|
|
|
|
*Returns*: lhs.category() == rhs.category() && lhs.value() == rhs.value()
|
|
|
|
[ð](#lib:operator%3c=%3e,error_code)
|
|
|
|
`strong_ordering operator<=>(const error_code& lhs, const error_code& rhs) noexcept;
|
|
`
|
|
|
|
[4](#4)
|
|
|
|
[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/diagnostics.tex#L1478)
|
|
|
|
*Effects*: Equivalent to:if (auto c = lhs.category() <=> rhs.category(); c != 0) return c;return lhs.value() <=> rhs.value();
|
|
|
|
[ð](#lib:operator%3c=%3e,error_condition)
|
|
|
|
`strong_ordering operator<=>(const error_condition& lhs, const error_condition& rhs) noexcept;
|
|
`
|
|
|
|
[5](#5)
|
|
|
|
[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/diagnostics.tex#L1493)
|
|
|
|
*Returns*: if (auto c = lhs.category() <=> rhs.category(); c != 0) return c;return lhs.value() <=> rhs.value();
|