plg::unexpected< E > Class Template Reference

Public Types
using	value_type = E

Public Member Functions
constexpr	unexpected (unexpected const &)=default
constexpr	unexpected (unexpected &&)=default
constexpr auto	operator= (unexpected const &) -> unexpected &=default
constexpr auto	operator= (unexpected &&) -> unexpected &=default
template<class... Args> requires std::constructible_from<E, Args...>
constexpr	unexpected (std::in_place_t, Args &&... args)
template<class U , class... Args> requires std::constructible_from<E, std::initializer_list<U>&, Args...>
constexpr	unexpected (std::in_place_t, std::initializer_list< U > i_list, Args &&... args)
template<class Err = E> requires (!std::same_as<std::remove_cvref_t<Err>, unexpected>) && (!std::same_as<std::remove_cvref_t<Err>, std::in_place_t>) && std::constructible_from<E, Err>
constexpr	unexpected (Err &&err)
constexpr auto	value () const &noexcept -> E const &
constexpr auto	value () &noexcept -> E &
constexpr auto	value () const &&noexcept -> E const &&
constexpr auto	value () &&noexcept -> E &&
constexpr void	swap (unexpected &other) noexcept(std::is_nothrow_swappable_v< E >)

Friends
template<class E2 > requires (requires(E const& x, E2 const& y) { { x == y } -> std::convertible_to<bool>; })
constexpr auto	operator== (unexpected const &x, unexpected< E2 > const &y) -> bool
constexpr void	swap (unexpected &x, unexpected &y) noexcept(noexcept(x.swap(y)))

Detailed Description

template<class E>
class plg::unexpected< E >

Definition at line 29 of file expected.hpp.

Member Typedef Documentation

value_type

template<class E >

using plg::unexpected< E >::value_type = E

Definition at line 31 of file expected.hpp.

Constructor & Destructor Documentation

unexpected() [1/3]

template<class E >

template<class... Args>
requires std::constructible_from<E, Args...>

constexpr plg::unexpected< E >::unexpected ( std::in_place_t  , Args &&...  args  )

inlineexplicitconstexpr

Definition at line 40 of file expected.hpp.

unexpected() [2/3]

template<class E >

template<class U , class... Args>
requires std::constructible_from<E, std::initializer_list<U>&, Args...>

constexpr plg::unexpected< E >::unexpected ( std::in_place_t  , std::initializer_list< U >  i_list, Args &&...  args  )

inlineexplicitconstexpr

Definition at line 45 of file expected.hpp.

unexpected() [3/3]

template<class E >

template<class Err = E>
requires (!std::same_as<std::remove_cvref_t<Err>, unexpected>) && (!std::same_as<std::remove_cvref_t<Err>, std::in_place_t>) && std::constructible_from<E, Err>

constexpr plg::unexpected< E >::unexpected ( Err &&  err )

inlineexplicitconstexpr

Definition at line 54 of file expected.hpp.

Member Function Documentation

swap()

template<class E >

constexpr void plg::unexpected< E >::swap ( unexpected< E > &  other )

inlineconstexprnoexcept

Definition at line 64 of file expected.hpp.

value() [1/4]

template<class E >

constexpr auto plg::unexpected< E >::value ( ) && -> E&&

inlineconstexprnoexcept

Definition at line 62 of file expected.hpp.

value() [2/4]

template<class E >

constexpr auto plg::unexpected< E >::value ( ) & -> E&

inlineconstexprnoexcept

Definition at line 58 of file expected.hpp.

value() [3/4]

template<class E >

constexpr auto plg::unexpected< E >::value ( ) const && -> E const&&

inlineconstexprnoexcept

Definition at line 59 of file expected.hpp.

value() [4/4]

template<class E >

constexpr auto plg::unexpected< E >::value ( ) const & -> E const&

inlineconstexprnoexcept

Definition at line 57 of file expected.hpp.

Friends And Related Symbol Documentation

operator==

template<class E >

template<class E2 >
requires (requires(E const& x, E2 const& y) { { x == y } -> std::convertible_to<bool>; })

constexpr auto operator== ( unexpected< E > const &  x, unexpected< E2 > const &  y  ) -> bool

friend

Definition at line 76 of file expected.hpp.

swap

template<class E >

constexpr void swap ( unexpected< E > &  x, unexpected< E > &  y  )

friend

Definition at line 80 of file expected.hpp.

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

• include/plg/expected.hpp