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system_error Class Reference

#include <format.h>

+ Inheritance diagram for system_error:

Public Member Functions

template<typename... Args>
 system_error (int error_code, string_view message, const Args &...args)
 
 system_error (const system_error &)=default
 
system_erroroperator= (const system_error &)=default
 
 system_error (system_error &&)=default
 
system_erroroperator= (system_error &&)=default
 
 ~system_error () FMT_NOEXCEPT FMT_OVERRIDE
 
int error_code () const
 

Protected Member Functions

 system_error ()
 

Protected Attributes

int error_code_
 

Detailed Description

An error returned by an operating system or a language runtime, for example a file opening error.

Definition at line 3267 of file format.h.

Constructor & Destructor Documentation

system_error::system_error ( )
inlineprotected

Definition at line 3274 of file format.h.

template<typename... Args>
system_error::system_error ( int  error_code,
string_view  message,
const Args &...  args 
)
inline

Constructs a :class:fmt::system_error object with a description formatted with fmt::format_system_error. message and additional arguments passed into the constructor are formatted similarly to fmt::format.

Example**::

This throws a system_error with the description cannot open file 'madeup': No such file or directory or similar (system message may vary). const char *filename = "madeup"; std::FILE *file = std::fopen(filename, "r"); if (!file) throw fmt::system_error(errno, "cannot open file '{}'", filename);

Definition at line 3296 of file format.h.

system_error::system_error ( const system_error )
default
system_error::system_error ( system_error &&  )
default
FMT_API FMT_FUNC system_error::~system_error ( )
default

Member Function Documentation

int system_error::error_code ( ) const
inline

Definition at line 3306 of file format.h.

system_error& system_error::operator= ( const system_error )
default
system_error& system_error::operator= ( system_error &&  )
default

Member Data Documentation

int system_error::error_code_
protected

Definition at line 3272 of file format.h.


The documentation for this class was generated from the following files: