std::error_condition:: operator=

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C++
Utilities library
General utilities
Relational operators (deprecated in C++20)
Diagnostics library
std::error_condition
template < class ErrorConditionEnum >
error_condition & operator = ( ErrorConditionEnum e ) noexcept ;
(1) (since C++11)
error_condition & operator = ( const error_condition & other ) = default ;
(2) (since C++11)
(implicitly declared)
error_condition & operator = ( error_condition && other ) = default ;
(3) (since C++11)
(implicitly declared)

Assigns contents to an error condition.

1) Assigns error condition for enum e . Effectively calls make_error_condition that is only found by argument-dependent lookup for e and then replaces * this with the result. This overload participates in overload resolution only if std:: is_error_condition_enum < ErrorConditionEnum > :: value is true .
2,3) Implicitly defined copy-assignment operator and move-assignment operator assign the contents of other to * this .

Parameters

e - error condition enum
other - another error condition to assign with

Return value

* this .

Defect reports

The following behavior-changing defect reports were applied retroactively to previously published C++ standards.

DR Applied to Behavior as published Correct behavior
LWG 3629 C++11 only std::make_error_condition overloads were used ADL-found overloads are used
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