folly::expected_detail::ExpectedUnion< Value, Error > Struct Template Reference

#include <Expected.h>

Inheritance diagram for folly::expected_detail::ExpectedUnion< Value, Error >:

Public Member Functions
constexpr	ExpectedUnion (EmptyTag) noexcept
template<class... Vs>
constexpr	ExpectedUnion (ValueTag, Vs &&...vs) noexcept(noexcept(Value(static_cast< Vs && >(vs)...)))
template<class... Es>
constexpr	ExpectedUnion (ErrorTag, Es &&...es) noexcept(noexcept(Error(static_cast< Es && >(es)...)))
	ExpectedUnion (const ExpectedUnion &)
	ExpectedUnion (ExpectedUnion &&) noexcept
ExpectedUnion &	operator= (const ExpectedUnion &)
ExpectedUnion &	operator= (ExpectedUnion &&) noexcept
	~ExpectedUnion ()
Value &	value ()&
const Value &	value () const &
Value &&	value ()&&
Error &	error ()&
const Error &	error () const &
Error &&	error ()&&

Public Attributes
union {
Value   value_
Error   error_
char   ch_ {}
};
Which	which_ = Which::eEmpty

Detailed Description

template<class Value, class Error>
struct folly::expected_detail::ExpectedUnion< Value, Error >

Definition at line 265 of file Expected.h.

Constructor & Destructor Documentation

template<class Value , class Error >

constexpr folly::expected_detail::ExpectedUnion< Value, Error >::ExpectedUnion ( EmptyTag  )

inlineexplicitnoexcept

Definition at line 273 of file Expected.h.

{}

template<class Value , class Error >

template<class... Vs>

constexpr folly::expected_detail::ExpectedUnion< Value, Error >::ExpectedUnion ( ValueTag  , Vs &&...  vs  )

inlineexplicitnoexcept

Definition at line 275 of file Expected.h.

      : value_(static_cast<Vs&&>(vs)...), which_(Which::eValue) {}

template<class Value , class Error >

template<class... Es>

constexpr folly::expected_detail::ExpectedUnion< Value, Error >::ExpectedUnion ( ErrorTag  , Es &&...  es  )

inlineexplicitnoexcept

Definition at line 279 of file Expected.h.

      : error_(static_cast<Es&&>(es)...), which_(Which::eError) {}

template<class Value , class Error >

folly::expected_detail::ExpectedUnion< Value, Error >::ExpectedUnion ( const ExpectedUnion< Value, Error > &  )

inline

Definition at line 282 of file Expected.h.

{}

template<class Value , class Error >

folly::expected_detail::ExpectedUnion< Value, Error >::ExpectedUnion ( ExpectedUnion< Value, Error > &&  )

inlinenoexcept

Definition at line 283 of file Expected.h.

{}

template<class Value , class Error >

folly::expected_detail::ExpectedUnion< Value, Error >::~ExpectedUnion ( )

inline

Definition at line 290 of file Expected.h.

{}

Member Function Documentation

template<class Value , class Error >

Error& folly::expected_detail::ExpectedUnion< Value, Error >::error ( )

inline

Definition at line 300 of file Expected.h.

                   {
    return error_;
  }

template<class Value , class Error >

const Error& folly::expected_detail::ExpectedUnion< Value, Error >::error ( ) const

inline

Definition at line 303 of file Expected.h.

                              {
    return error_;
  }

template<class Value , class Error >

Error&& folly::expected_detail::ExpectedUnion< Value, Error >::error ( )

inline

Definition at line 306 of file Expected.h.

References folly::gen::move.

                     {
    return std::move(error_);
  }

template<class Value , class Error >

ExpectedUnion& folly::expected_detail::ExpectedUnion< Value, Error >::operator= ( const ExpectedUnion< Value, Error > &  )

inline

Definition at line 284 of file Expected.h.

                                                 {
    return *this;
  }

template<class Value , class Error >

ExpectedUnion& folly::expected_detail::ExpectedUnion< Value, Error >::operator= ( ExpectedUnion< Value, Error > &&  )

inlinenoexcept

Definition at line 287 of file Expected.h.

                                                     {
    return *this;
  }

template<class Value , class Error >

Value& folly::expected_detail::ExpectedUnion< Value, Error >::value ( )

inline

Definition at line 291 of file Expected.h.

                   {
    return value_;
  }

template<class Value , class Error >

const Value& folly::expected_detail::ExpectedUnion< Value, Error >::value ( ) const

inline

Definition at line 294 of file Expected.h.

                              {
    return value_;
  }

template<class Value , class Error >

Value&& folly::expected_detail::ExpectedUnion< Value, Error >::value ( )

inline

Definition at line 297 of file Expected.h.

References folly::gen::move.

                     {
    return std::move(value_);
  }

Member Data Documentation

union { ... }

template<class Value , class Error >

char folly::expected_detail::ExpectedUnion< Value, Error >::ch_ {}

Definition at line 269 of file Expected.h.

template<class Value , class Error >

Error folly::expected_detail::ExpectedUnion< Value, Error >::error_

Definition at line 268 of file Expected.h.

template<class Value , class Error >

Value folly::expected_detail::ExpectedUnion< Value, Error >::value_

Definition at line 267 of file Expected.h.

template<class Value , class Error >

Which folly::expected_detail::ExpectedUnion< Value, Error >::which_ = Which::eEmpty

Definition at line 271 of file Expected.h.

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

• proxygen/folly/folly/Expected.h