std::error_condition:: assign

From cppreference.com

void assign ( int val, const error_category & cat ) noexcept ;		(since C++11)

Assigns contents to an error condition. Sets the error value to val and error category to cat .

val	-	error value
cat	-	error category

(none)

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Feature test macros (C++20)
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Member functions
error_condition::error_condition
error_condition::operator=
error_condition::assign
error_condition::clear
error_condition::value
error_condition::category
error_condition::message
error_condition::operator bool
Non-member functions
operator== operator!= operator< operator<=> (until C++20) (until C++20) (C++20)
Helper classes
is_error_condition_enum
hash <std::error_condition>