optional.hpp File Reference

#include <cetl/cetl.hpp>
#include <cetl/_helper_enable_copy_move.hpp>
#include <cetl/pf17/utility.hpp>
#include <cetl/pf17/type_traits.hpp>
#include <algorithm>
#include <cassert>
#include <type_traits>
#include <exception>

Include dependency graph for optional.hpp:

This graph shows which files directly or indirectly include this file:

Classes
struct	cetl::pf17::nullopt_t
class	cetl::pf17::bad_optional_access
class	cetl::pf17::optional< T >

Namespaces
namespace	cetl
namespace	cetl::pf17

Functions
template<typename T, typename U>
constexpr detail::opt::enable_comparison< decltype(std::declval< const T & >()==std::declval< const U & >())>	cetl::pf17::operator== (const optional< T > &lhs, const optional< U > &rhs)
template<typename T, typename U>
constexpr detail::opt::enable_comparison< decltype(std::declval< const T & >() !=std::declval< const U & >())>	cetl::pf17::operator!= (const optional< T > &lhs, const optional< U > &rhs)
template<typename T, typename U>
constexpr detail::opt::enable_comparison< decltype(std::declval< const T & >()< std::declval< const U & >())>	cetl::pf17::operator< (const optional< T > &lhs, const optional< U > &rhs)
template<typename T, typename U>
constexpr detail::opt::enable_comparison< decltype(std::declval< const T & >()<=std::declval< const U & >())>	cetl::pf17::operator<= (const optional< T > &lhs, const optional< U > &rhs)
template<typename T, typename U>
constexpr detail::opt::enable_comparison< decltype(std::declval< const T & >() > std::declval< const U & >())>	cetl::pf17::operator> (const optional< T > &lhs, const optional< U > &rhs)
template<typename T, typename U>
constexpr detail::opt::enable_comparison< decltype(std::declval< const T & >() >=std::declval< const U & >())>	cetl::pf17::operator>= (const optional< T > &lhs, const optional< U > &rhs)
template<typename T>
constexpr bool	cetl::pf17::operator== (const optional< T > &opt, const nullopt_t) noexcept
template<typename T>
constexpr bool	cetl::pf17::operator== (const nullopt_t, const optional< T > &opt) noexcept
template<typename T>
constexpr bool	cetl::pf17::operator!= (const optional< T > &opt, const nullopt_t) noexcept
template<typename T>
constexpr bool	cetl::pf17::operator!= (const nullopt_t, const optional< T > &opt) noexcept
template<typename T>
constexpr bool	cetl::pf17::operator< (const optional< T > &, const nullopt_t) noexcept
template<typename T>
constexpr bool	cetl::pf17::operator< (const nullopt_t, const optional< T > &opt) noexcept
template<typename T>
constexpr bool	cetl::pf17::operator<= (const optional< T > &opt, const nullopt_t) noexcept
template<typename T>
constexpr bool	cetl::pf17::operator<= (const nullopt_t, const optional< T > &) noexcept
template<typename T>
constexpr bool	cetl::pf17::operator> (const optional< T > &opt, const nullopt_t) noexcept
template<typename T>
constexpr bool	cetl::pf17::operator> (const nullopt_t, const optional< T > &) noexcept
template<typename T>
constexpr bool	cetl::pf17::operator>= (const optional< T > &, const nullopt_t) noexcept
template<typename T>
constexpr bool	cetl::pf17::operator>= (const nullopt_t, const optional< T > &opt) noexcept
template<typename T, typename U>
constexpr detail::opt::enable_comparison< decltype(std::declval< const T & >()==std::declval< const U & >())>	cetl::pf17::operator== (const optional< T > &opt, const U &value)
template<typename T, typename U>
constexpr detail::opt::enable_comparison< decltype(std::declval< const T & >()==std::declval< const U & >())>	cetl::pf17::operator== (const T &value, const optional< U > &opt)
template<typename T, typename U>
constexpr detail::opt::enable_comparison< decltype(std::declval< const T & >() !=std::declval< const U & >())>	cetl::pf17::operator!= (const optional< T > &opt, const U &value)
template<typename T, typename U>
constexpr detail::opt::enable_comparison< decltype(std::declval< const T & >() !=std::declval< const U & >())>	cetl::pf17::operator!= (const T &value, const optional< U > &opt)
template<typename T, typename U>
constexpr detail::opt::enable_comparison< decltype(std::declval< const T & >()< std::declval< const U & >())>	cetl::pf17::operator< (const optional< T > &opt, const U &value)
template<typename T, typename U>
constexpr detail::opt::enable_comparison< decltype(std::declval< const T & >()< std::declval< const U & >())>	cetl::pf17::operator< (const T &value, const optional< U > &opt)
template<typename T, typename U>
constexpr detail::opt::enable_comparison< decltype(std::declval< const T & >()<=std::declval< const U & >())>	cetl::pf17::operator<= (const optional< T > &opt, const U &value)
template<typename T, typename U>
constexpr detail::opt::enable_comparison< decltype(std::declval< const T & >()<=std::declval< const U & >())>	cetl::pf17::operator<= (const T &value, const optional< U > &opt)
template<typename T, typename U>
constexpr detail::opt::enable_comparison< decltype(std::declval< const T & >() > std::declval< const U & >())>	cetl::pf17::operator> (const optional< T > &opt, const U &value)
template<typename T, typename U>
constexpr detail::opt::enable_comparison< decltype(std::declval< const T & >() > std::declval< const U & >())>	cetl::pf17::operator> (const T &value, const optional< U > &opt)
template<typename T, typename U>
constexpr detail::opt::enable_comparison< decltype(std::declval< const T & >() >=std::declval< const U & >())>	cetl::pf17::operator>= (const optional< T > &opt, const U &value)
template<typename T, typename U>
constexpr detail::opt::enable_comparison< decltype(std::declval< const T & >() >=std::declval< const U & >())>	cetl::pf17::operator>= (const T &value, const optional< U > &opt)
template<typename T>
constexpr optional< std::decay_t< T > >	cetl::pf17::make_optional (T &&value)
template<typename T, typename... Args>
constexpr optional< T >	cetl::pf17::make_optional (Args &&... args)
template<typename T, typename U, typename... Args>
constexpr optional< T >	cetl::pf17::make_optional (std::initializer_list< U > il, Args &&... args)

Variables
constexpr nullopt_t	cetl::pf17::nullopt {nullopt_t::_detail::_detail}

Detailed Description

Defines the C++17 std::optional type and several related entities.

Copyright

Copyright (C) OpenCyphal Development Team <opencyphal.org> Copyright Amazon.com Inc. or its affiliates. SPDX-License-Identifier: MIT