std::operator==,!=,<(std::error_code)

`<system_error>`
`bool operator==( const error_code& lhs, const error_code& rhs ) noexcept;`	(1)	(C++11)
`bool operator!=( const error_code& lhs, const error_code& rhs ) noexcept;`	(1)	(C++11)
`bool operator<( const error_code& lhs, const error_code& rhs ) noexcept;`	(1)	(C++11)

2

1) lhs rhs

2) lhs rhs

3) lhs rhs

lhs, rhs

-

1) true

2) true

3) lhs.category() < rhs.category() true lhs.category() == rhs.category() && lhs.value() < rhs.value() true false

category	error_code error_category () [edit]
value	error_code () [edit]
operator==operator!=operator<operator<=> (C++20)(C++20)(C++20)	`error_condition` `error_code` () [edit]


error_code::error_code
error_code::operator=
error_code::assign

error_code::clear

error_code::value
error_code::category
error_code::default_error_condition
error_code::message
error_code::operator bool

operator==operator!=operator<operator<=> (C++20)(C++20)(C++20)
operator<<

is_error_code_enum
hash<std::error_code>