wamp::Unexpected< E > Class Template Reference

Minimalistic implementation of std::unexpected<std::error_code>. More...

#include <cppwamp/erroror.hpp>

Public Types
using	error_type = E
	Type representing errors.

Public Member Functions
	Unexpected (error_type error) noexcept
	Constructor taking an error value.
error_type &	value () &noexcept
	Accesses the error value.
error_type &&	value () &&noexcept
	Moves the error value.
const error_type &	value () const &noexcept
	Accesses the error value.
const error_type &&	value () const &&noexcept
	Moves the error value.
void	swap (Unexpected &other) noexcept(std::is_nothrow_swappable< E >::value)
	Swaps contents with another UnexpectedError.

Related Functions
(Note that these are not member functions.)
template<typename E1 , typename E2 >
bool	operator== (const Unexpected< E1 > &x, const Unexpected< E2 > &y)
	Equality comparison.
template<typename E1 , typename E2 >
bool	operator!= (const Unexpected< E1 > &x, const Unexpected< E2 > &y)
	Inequality comparison.
template<typename E >
void	swap (Unexpected< E > &x, Unexpected< E > &y) noexcept(noexcept(x.swap(y)))
	Non-member swap.
template<typename E >
constexpr Unexpected< ValueTypeOf< E > >	makeUnexpected (E &&error)
	Non-standard factory function needed in C++11 due to lack of CTAD.

Detailed Description

template<typename E>
class wamp::Unexpected< E >

Minimalistic implementation of std::unexpected<std::error_code>.

This wrapper type is used to initialize an ErrorOr with an error in an unambiguous manner.

See also

ErrorOr

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

• cppwamp/erroror.hpp