nix::BaseError Class Reference

#include <error.hh>

Inheritance diagram for nix::BaseError:

Public Member Functions
	BaseError (const BaseError &)=default
BaseError &	operator= (BaseError const &rhs)=default
template<typename... Args>
	BaseError (unsigned int status, const Args &... args)
template<typename... Args>
	BaseError (const std::string &fs, const Args &... args)
template<typename... Args>
	BaseError (const Suggestions &sug, const Args &... args)
	BaseError (HintFmt hint)
	BaseError (ErrorInfo &&e)
	BaseError (const ErrorInfo &e)
const char *	what () const noexcept override
const std::string &	msg () const
const ErrorInfo &	info () const
void	withExitStatus (unsigned int status)
void	atPos (std::shared_ptr< Pos > pos)
void	pushTrace (Trace trace)
template<typename... Args>
void	addTrace (std::shared_ptr< Pos > &&e, std::string_view fs, const Args &... args)
void	addTrace (std::shared_ptr< Pos > &&e, HintFmt hint)
bool	hasTrace () const
const ErrorInfo &	info ()
Public Member Functions inherited from nix::BaseException
std::shared_ptr< const std::list< AsyncTraceFrame > >	asyncTrace () const
void	addAsyncTrace (std::source_location loc, std::optional< std::string > description=std::nullopt)

Protected Member Functions
const std::string &	calcWhat () const

Protected Attributes
ErrorInfo	err
std::optional< std::string >	what_

Detailed Description

BaseError should generally not be caught, as it has Interrupted as a subclass. Catch Error instead.

Member Function Documentation

calcWhat()

const std::string & nix::BaseError::calcWhat ( ) const

protected

Format err.msg and set what_ to the resulting value.

Member Data Documentation

what_

std::optional<std::string> nix::BaseError::what_

mutableprotected

Cached formatted contents of err.msg.

---

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

• lix/libutil/error.hh
• lix/libutil/error.cc