lexical_cast.hpp File Reference

New lexcical_cast header. More...

#include "utils/charconv.hpp"
#include "utils/optional_fwd.hpp"
#include <cstdlib>
#include <limits>
#include <string>
#include <sstream>
#include <type_traits>

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Classes
struct	bad_lexical_cast
	Thrown when a lexical_cast fails. More...
struct	implementation::lexical_caster< To, From, ToEnable, FromEnable >
	Base class for the conversion. More...
struct	implementation::is_arithmetic_v< From > >>
	Specialized conversion class. More...
struct	implementation::lexical_caster< bool, std::string_view, void, void >
	Specialized conversion class. More...
struct	implementation::lexical_caster< To, std::string_view, std::enable_if_t< std::is_arithmetic_v< To > >, void >
	Specialized conversion class. More...
struct	implementation::lexical_caster< To, std::string, std::enable_if_t< std::is_arithmetic_v< To > >, void >
	Specialized conversion class. More...
struct	implementation::is_same_v< From, char * > >>
	Specialized conversion class. More...

Namespaces
	implementation
	Contains the implementation details for lexical_cast and shouldn't be used directly.

Macros
#define	LEXICAL_CAST_HPP_INCLUDED
#define	DEBUG_THROW(id)

Functions
template<typename To , typename From >
To	lexical_cast (From value)
	Lexical cast converts one type to another. More...
template<typename To , typename From >
To	lexical_cast_default (From value, To fallback=To())
	Lexical cast converts one type to another with a fallback. More...

Detailed Description

New lexcical_cast header.

For debugging you can include this header in a namespace (to honor ODR) and have a set of functions that throws exceptions instead of doing the real job. This is done for the unit tests but should normally not be done.

Definition in file lexical_cast.hpp.

Macro Definition Documentation

DEBUG_THROW

#define DEBUG_THROW

(

id

)

Definition at line 55 of file lexical_cast.hpp.

LEXICAL_CAST_HPP_INCLUDED

#define LEXICAL_CAST_HPP_INCLUDED

Definition at line 30 of file lexical_cast.hpp.

Function Documentation

lexical_cast()

template<typename To , typename From >

To lexical_cast ( From  value )

inline

Lexical cast converts one type to another.

Template Parameters

To	The type to convert to.
From	The type to convert from.

Parameters

value

The value to convert.

Returns

The converted value.

Exceptions

bad_lexical_cast

if the cast was unsuccessful.

Definition at line 88 of file lexical_cast.hpp.

lexical_cast_default()

template<typename To , typename From >

To lexical_cast_default ( From  value, To  fallback = To()  )

inline

Lexical cast converts one type to another with a fallback.

Template Parameters

To	The type to convert to.
From	The type to convert from.

Parameters

value	The value to convert.
fallback	The fallback value to return if the cast fails.

Returns

The converted value.

Definition at line 105 of file lexical_cast.hpp.

Referenced by t_translation::string_to_builder_number_().