lexy::scan_result< T > Class Template Reference

#include <scan.hpp>

Public Types
using	value_type = T

Public Member Functions
constexpr bool	has_value () const noexcept
constexpr	operator bool () const noexcept
constexpr	scan_result ()=default
constexpr	scan_result (scan_failed_t)
template<typename U = T, typename = std::enable_if_t<std::is_constructible_v<T, U>>>
constexpr	scan_result (U &&value)
constexpr decltype(auto)	value () &&noexcept
constexpr decltype(auto)	value () const &noexcept
template<typename U = T>
constexpr decltype(auto)	value_or (U &&fallback) &&noexcept
template<typename U = T>
constexpr decltype(auto)	value_or (U &&fallback) const &noexcept

Private Member Functions
constexpr	scan_result (_detail::lazy_init< T > &&value)

Private Attributes
_detail::lazy_init< T >	_value

Friends
template<typename Derived , typename Reader >
class	_detail::scanner

Detailed Description

template<typename T>
class lexy::scan_result< T >

Definition at line 42 of file dsl/scan.hpp.

Member Typedef Documentation

value_type

template<typename T >

using lexy::scan_result< T >::value_type = T

Definition at line 45 of file dsl/scan.hpp.

Constructor & Destructor Documentation

scan_result() [1/4]

template<typename T >

constexpr lexy::scan_result< T >::scan_result ( )

constexprdefault

scan_result() [2/4]

template<typename T >

constexpr lexy::scan_result< T >::scan_result ( scan_failed_t  )

inlineconstexpr

Definition at line 48 of file dsl/scan.hpp.

scan_result() [3/4]

template<typename T >

template<typename U = T, typename = std::enable_if_t<std::is_constructible_v<T, U>>>

constexpr lexy::scan_result< T >::scan_result ( U &&  value )

inlineconstexpr

Definition at line 51 of file dsl/scan.hpp.

scan_result() [4/4]

template<typename T >

constexpr lexy::scan_result< T >::scan_result ( _detail::lazy_init< T > &&  value )

inlineexplicitconstexprprivate

Definition at line 86 of file dsl/scan.hpp.

Member Function Documentation

has_value()

template<typename T >

constexpr bool lexy::scan_result< T >::has_value ( ) const

inlineconstexprnoexcept

Definition at line 60 of file dsl/scan.hpp.

operator bool()

template<typename T >

constexpr lexy::scan_result< T >::operator bool ( ) const

inlineexplicitconstexprnoexcept

Definition at line 56 of file dsl/scan.hpp.

value() [1/2]

template<typename T >

constexpr decltype(auto) lexy::scan_result< T >::value ( ) &&

inlineconstexprnoexcept

Definition at line 69 of file dsl/scan.hpp.

value() [2/2]

template<typename T >

constexpr decltype(auto) lexy::scan_result< T >::value ( ) const &

inlineconstexprnoexcept

Definition at line 65 of file dsl/scan.hpp.

value_or() [1/2]

template<typename T >

template<typename U = T>

constexpr decltype(auto) lexy::scan_result< T >::value_or ( U &&  fallback ) &&

inlineconstexprnoexcept

Definition at line 80 of file dsl/scan.hpp.

value_or() [2/2]

template<typename T >

template<typename U = T>

constexpr decltype(auto) lexy::scan_result< T >::value_or ( U &&  fallback ) const &

inlineconstexprnoexcept

Definition at line 75 of file dsl/scan.hpp.

Friends And Related Function Documentation

_detail::scanner

template<typename T >

template<typename Derived , typename Reader >

friend class _detail::scanner

friend

Definition at line 91 of file dsl/scan.hpp.

Member Data Documentation

_value

template<typename T >

_detail::lazy_init<T> lexy::scan_result< T >::_value

private

Definition at line 88 of file dsl/scan.hpp.

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

• dsl/scan.hpp