std::system_error::what

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< cpp‎ | error‎ | system error
C++
Utilities library
General utilities
Relational operators (deprecated in C++20)
Integer comparison functions
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Diagnostics library
std::system_error
virtual const char * what( ) const noexcept ;
(since C++11)

Returns the explanatory string.

Parameters

(none)

Return value

Pointer to a null-terminated string with explanatory information.

See also

 returns error code
(public member function)
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