ivon::expected_void< E > Class Template Reference

Lightweight C++20-compatible replacement for std::expected<void, E>. More...

#include <ivon_types.hpp>

Public Member Functions
constexpr	expected_void () noexcept=default
	Construct a success value.
constexpr	expected_void (E error) noexcept(std::is_nothrow_move_constructible_v< E >)
	Construct a failure value.
constexpr bool	has_value () const noexcept
constexpr	operator bool () const noexcept
constexpr const E &	error () const &noexcept
constexpr E &	error () &noexcept
constexpr E &&	error () &&noexcept

Detailed Description

template<typename E>
class ivon::expected_void< E >

Lightweight C++20-compatible replacement for std::expected<void, E>.

Default-constructed state represents success (has_value() == true). Constructing with an error value represents failure.

When C++23 or later is available, an implicit conversion operator to std::expected<void, E> is provided so callers can use the standard type transparently.

Constructor & Destructor Documentation

expected_void() [1/2]

template<typename E >

constexpr ivon::expected_void< E >::expected_void ( )

constexprdefaultnoexcept

Construct a success value.

expected_void() [2/2]

template<typename E >

constexpr ivon::expected_void< E >::expected_void ( E  error )

inlineconstexprnoexcept

Construct a failure value.

Member Function Documentation

error() [1/3]

template<typename E >

constexpr E && ivon::expected_void< E >::error ( ) &&

inlineconstexprnoexcept

error() [2/3]

template<typename E >

constexpr E & ivon::expected_void< E >::error ( ) &

inlineconstexprnoexcept

error() [3/3]

template<typename E >

constexpr const E & ivon::expected_void< E >::error ( ) const &

inlineconstexprnoexcept

has_value()

template<typename E >

constexpr bool ivon::expected_void< E >::has_value ( ) const

inlineconstexprnoexcept

operator bool()

template<typename E >

constexpr ivon::expected_void< E >::operator bool ( ) const

inlineexplicitconstexprnoexcept

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

• src/base/include/libivon/public/ivon_types.hpp