std::error_condition::operator= (3) Linux Manual Page

std::error_condition::operator= – std::error_condition::operator=

Synopsis

error_condition &operator=(const error_condition &other) noexcept;
(1)(since C++ 11)(implicitly declared)

    template <class ErrorConditionEnum>
    (2)(since C++ 11)

        error_condition &
        operator=(ErrorConditionEnum e) noexcept;

Assigns contents to an error condition.
1) Copy assignment operator. Assigns the contents of other.
2) Assigns error condition for enum e. Effectively calls make_error_condition(). Does not participate in the overload resolution unless is_error_condition_enum<ErrorConditionEnum>::value is true.

Parameters

other – another error condition to initialize with
e – error condition enum

Return value

*this.