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C++
 
Utilities library
General utilities
Relational operators (deprecated in C++20)
Integer comparison functions
(C++20)(C++20)(C++20)    
(C++20)
Swap and type operations
(C++20)
(C++14)
(C++11)
(C++23)
(C++11)
(C++23)
(C++11)
(C++11)
(C++17)
Common vocabulary types
(C++11)
(C++17)
(C++17)
(C++17)
(C++11)
(C++11)
(C++17)
(C++17)
(C++23)



 
Diagnostics library
 
std::error_category
 
virtual std::string message( int condition ) const = 0;
(since C++11)

Returns a string describing the given error condition for the error category represented by *this.

Parameters

condition - specifies the error condition to describe

Return value

A string describing the given error condition.

Exceptions

May throw implementation-defined exceptions.