caf::expected< void > Class Reference

The pattern expected<void> shall be used for functions that may generate an error but would otherwise return bool. More...

#include <expected.hpp>

Inherited by caf::expected< unit_t >.

Public Types
using	value_type = void
using	error_type = caf::error
template<class U >
using	rebind = expected< U >

Public Member Functions
template<class Enum , class = std::enable_if_t<is_error_code_enum_v<Enum>>>
	expected (Enum x)
	expected (unit_t) noexcept
	expected (caf::error err) noexcept
	expected (const expected &other)=default
	expected (expected &&other) noexcept=default
	expected (std::in_place_t)
expected &	operator= (const expected &other)=default
expected &	operator= (expected &&other) noexcept=default
expected &	operator= (caf::error err) noexcept
template<class Enum , class = std::enable_if_t<is_error_code_enum_v<Enum>>>
expected &	operator= (Enum code)
	operator bool () const noexcept
	Returns true if the object does not hold an error.
bool	has_value () const noexcept
	Returns true if the object does not hold an error.
template<class... Args>
void	emplace () noexcept
void	swap (expected &other) noexcept
void	value () const &
void	value () &&
void	operator* () const noexcept
caf::error &	error () &noexcept
const caf::error &	error () const &noexcept
caf::error &&	error () &&noexcept
const caf::error &&	error () const &&noexcept
template<class F >
auto	and_then (F &&f) &
template<class F >
auto	and_then (F &&f) &&
template<class F >
auto	and_then (F &&f) const &
template<class F >
auto	and_then (F &&f) const &&
template<class F >
expected	or_else (F &&f) &
template<class F >
expected	or_else (F &&f) &&
template<class F >
expected	or_else (F &&f) const &
template<class F >
expected	or_else (F &&f) const &&
template<class F >
auto	transform (F &&f) &
template<class F >
auto	transform (F &&f) &&
template<class F >
auto	transform (F &&f) const &
template<class F >
auto	transform (F &&f) const &&
template<class F >
expected	transform_or (F &&f) &
template<class F >
expected	transform_or (F &&f) &&
template<class F >
expected	transform_or (F &&f) const &
template<class F >
expected	transform_or (F &&f) const &&

Detailed Description

The pattern expected<void> shall be used for functions that may generate an error but would otherwise return bool.

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

• libcaf_core/caf/expected.hpp