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Showing content from https://en.cppreference.com/w/cpp/language/../error/error_code/../error_category/equivalent.html below:

std::error_category::equivalent - cppreference.com

(1) (since C++11) virtual bool equivalent( const std::error_code& code,
                         int condition ) const noexcept;
(2) (since C++11)

Checks whether error code is equivalent to an error condition for the error category represented by *this.

1) Equivalent to default_error_condition(code) == condition.

2) Equivalent to *this == code.category() && code.value() == condition.

[edit] Parameters code - specifies the error code to compare condition - specifies the error condition to compare [edit] Return value

true if the error code is equivalent to the given error condition for the error category represented by *this, false otherwise.


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