optional.h File Reference

#include "platform.h"
#include "alignment.h"
#include "memory.h"
#include "type_traits.h"
#include "exception.h"
#include "error_handler.h"
#include "utility.h"
#include "placement_new.h"
#include "initializer_list.h"
#include "private/diagnostic_uninitialized_push.h"
#include "private/diagnostic_pop.h"

Go to the source code of this file.

Classes
class	etl::nullopt_t
class	etl::optional_exception
class	etl::optional_invalid
class	etl::private_optional::optional_impl< T, false >
union	etl::private_optional::optional_impl< T, false >::storage_type::union_type
class	etl::private_optional::optional_impl< T, true >
class	etl::optional< T >

Namespaces
namespace	etl
	bitset_ext

Macros
#define	ETL_OPTIONAL_ENABLE_CPP14   typename etl::enable_if< etl::is_pod<typename etl::remove_cv<U>::type>::value, int>::type = 0
#define	ETL_OPTIONAL_ENABLE_CPP20_STL   typename etl::enable_if<!etl::is_pod<typename etl::remove_cv<U>::type>::value, int>::type = 0
#define	ETL_OPTIONAL_ENABLE_CONSTEXPR_BOOL_RETURN_CPP14   ETL_CONSTEXPR14 typename etl::enable_if< etl::is_pod<typename etl::remove_cv<T>::type>::value, bool>::type
#define	ETL_OPTIONAL_ENABLE_CONSTEXPR_BOOL_RETURN_CPP20_STL   ETL_CONSTEXPR20_STL typename etl::enable_if<!etl::is_pod<typename etl::remove_cv<T>::type>::value, bool>::type

Functions
template<typename T>
ETL_OPTIONAL_ENABLE_CONSTEXPR_BOOL_RETURN_CPP14	etl::operator== (const etl::optional< T > &lhs, const etl::optional< T > &rhs)
	Equality operator. cppreference 1.
template<typename T>
ETL_OPTIONAL_ENABLE_CONSTEXPR_BOOL_RETURN_CPP20_STL	etl::operator== (const etl::optional< T > &lhs, const etl::optional< T > &rhs)
	Equality operator. cppreference 1.
template<typename T>
ETL_OPTIONAL_ENABLE_CONSTEXPR_BOOL_RETURN_CPP14	etl::operator!= (const etl::optional< T > &lhs, const etl::optional< T > &rhs)
	Inequality operator. cppreference 2.
template<typename T>
ETL_OPTIONAL_ENABLE_CONSTEXPR_BOOL_RETURN_CPP20_STL	etl::operator!= (const etl::optional< T > &lhs, const etl::optional< T > &rhs)
	Inequality operator. cppreference 2.
template<typename T>
ETL_OPTIONAL_ENABLE_CONSTEXPR_BOOL_RETURN_CPP14	etl::operator< (const etl::optional< T > &lhs, const etl::optional< T > &rhs)
	Less than operator. cppreference 3.
template<typename T>
ETL_OPTIONAL_ENABLE_CONSTEXPR_BOOL_RETURN_CPP20_STL	etl::operator< (const etl::optional< T > &lhs, const etl::optional< T > &rhs)
	Less than operator. cppreference 3.
template<typename T>
ETL_OPTIONAL_ENABLE_CONSTEXPR_BOOL_RETURN_CPP14	etl::operator<= (const etl::optional< T > &lhs, const etl::optional< T > &rhs)
	Less than equal operator. cppreference 4.
template<typename T>
ETL_OPTIONAL_ENABLE_CONSTEXPR_BOOL_RETURN_CPP20_STL	etl::operator<= (const etl::optional< T > &lhs, const etl::optional< T > &rhs)
	Less than equal operator. cppreference 4.
template<typename T>
ETL_OPTIONAL_ENABLE_CONSTEXPR_BOOL_RETURN_CPP14	etl::operator> (const etl::optional< T > &lhs, const etl::optional< T > &rhs)
	greater than operator. cppreference 5
template<typename T>
ETL_OPTIONAL_ENABLE_CONSTEXPR_BOOL_RETURN_CPP20_STL	etl::operator> (const etl::optional< T > &lhs, const etl::optional< T > &rhs)
	greater than operator. cppreference 5
template<typename T>
ETL_OPTIONAL_ENABLE_CONSTEXPR_BOOL_RETURN_CPP14	etl::operator>= (const etl::optional< T > &lhs, const etl::optional< T > &rhs)
	greater than equal operator. cppreference 6
template<typename T>
ETL_OPTIONAL_ENABLE_CONSTEXPR_BOOL_RETURN_CPP20_STL	etl::operator>= (const etl::optional< T > &lhs, const etl::optional< T > &rhs)
	greater than equal operator. cppreference 6
template<typename T>
ETL_OPTIONAL_ENABLE_CONSTEXPR_BOOL_RETURN_CPP14	etl::operator== (const etl::optional< T > &lhs, etl::nullopt_t)
	Equality operator. cppreference 7.
template<typename T>
ETL_OPTIONAL_ENABLE_CONSTEXPR_BOOL_RETURN_CPP20_STL	etl::operator== (const etl::optional< T > &lhs, etl::nullopt_t)
	Equality operator. cppreference 7.
template<typename T>
ETL_OPTIONAL_ENABLE_CONSTEXPR_BOOL_RETURN_CPP14	etl::operator== (etl::nullopt_t, const etl::optional< T > &rhs)
	Equality operator. cppreference 8.
template<typename T>
ETL_OPTIONAL_ENABLE_CONSTEXPR_BOOL_RETURN_CPP20_STL	etl::operator== (etl::nullopt_t, const etl::optional< T > &rhs)
	Equality operator. cppreference 8.
template<typename T>
ETL_OPTIONAL_ENABLE_CONSTEXPR_BOOL_RETURN_CPP14	etl::operator!= (const etl::optional< T > &lhs, etl::nullopt_t)
	Inequality operator. cppreference 9.
template<typename T>
ETL_OPTIONAL_ENABLE_CONSTEXPR_BOOL_RETURN_CPP20_STL	etl::operator!= (const etl::optional< T > &lhs, etl::nullopt_t)
	Inequality operator. cppreference 9.
template<typename T>
ETL_OPTIONAL_ENABLE_CONSTEXPR_BOOL_RETURN_CPP14	etl::operator!= (etl::nullopt_t, const etl::optional< T > &rhs)
	Inequality operator. cppreference 10.
template<typename T>
ETL_OPTIONAL_ENABLE_CONSTEXPR_BOOL_RETURN_CPP20_STL	etl::operator!= (etl::nullopt_t, const etl::optional< T > &rhs)
	Inequality operator. cppreference 10.
template<typename T>
ETL_OPTIONAL_ENABLE_CONSTEXPR_BOOL_RETURN_CPP14	etl::operator< (const etl::optional< T > &, etl::nullopt_t)
	Less than operator. cppreference 11.
template<typename T>
ETL_OPTIONAL_ENABLE_CONSTEXPR_BOOL_RETURN_CPP20_STL	etl::operator< (const etl::optional< T > &, etl::nullopt_t)
	Less than operator. cppreference 11.
template<typename T>
ETL_OPTIONAL_ENABLE_CONSTEXPR_BOOL_RETURN_CPP14	etl::operator< (etl::nullopt_t, const etl::optional< T > &rhs)
	Less than operator. cppreference 12.
template<typename T>
ETL_OPTIONAL_ENABLE_CONSTEXPR_BOOL_RETURN_CPP20_STL	etl::operator< (etl::nullopt_t, const etl::optional< T > &rhs)
	Less than operator. cppreference 12.
template<typename T>
ETL_OPTIONAL_ENABLE_CONSTEXPR_BOOL_RETURN_CPP14	etl::operator<= (const etl::optional< T > &lhs, etl::nullopt_t)
	Less than equal operator. cppreference 13.
template<typename T>
ETL_OPTIONAL_ENABLE_CONSTEXPR_BOOL_RETURN_CPP20_STL	etl::operator<= (const etl::optional< T > &lhs, etl::nullopt_t)
	Less than equal operator. cppreference 13.
template<typename T>
ETL_OPTIONAL_ENABLE_CONSTEXPR_BOOL_RETURN_CPP14	etl::operator<= (etl::nullopt_t, const etl::optional< T > &)
	Less than equal operator. cppreference 14.
template<typename T>
ETL_OPTIONAL_ENABLE_CONSTEXPR_BOOL_RETURN_CPP20_STL	etl::operator<= (etl::nullopt_t, const etl::optional< T > &)
	Less than equal operator. cppreference 14.
template<typename T>
ETL_OPTIONAL_ENABLE_CONSTEXPR_BOOL_RETURN_CPP14	etl::operator> (const etl::optional< T > &lhs, etl::nullopt_t)
	Greater than operator. cppreference 15.
template<typename T>
ETL_OPTIONAL_ENABLE_CONSTEXPR_BOOL_RETURN_CPP20_STL	etl::operator> (const etl::optional< T > &lhs, etl::nullopt_t)
	Greater than operator. cppreference 15.
template<typename T>
ETL_OPTIONAL_ENABLE_CONSTEXPR_BOOL_RETURN_CPP14	etl::operator> (etl::nullopt_t, const etl::optional< T > &)
	Greater than operator. cppreference 16.
template<typename T>
ETL_OPTIONAL_ENABLE_CONSTEXPR_BOOL_RETURN_CPP20_STL	etl::operator> (etl::nullopt_t, const etl::optional< T > &)
	Greater than operator. cppreference 16.
template<typename T>
ETL_OPTIONAL_ENABLE_CONSTEXPR_BOOL_RETURN_CPP14	etl::operator>= (const etl::optional< T > &, etl::nullopt_t)
	Greater than equal operator. cppreference 17.
template<typename T>
ETL_OPTIONAL_ENABLE_CONSTEXPR_BOOL_RETURN_CPP20_STL	etl::operator>= (const etl::optional< T > &, etl::nullopt_t)
	Greater than equal operator. cppreference 17.
template<typename T>
ETL_OPTIONAL_ENABLE_CONSTEXPR_BOOL_RETURN_CPP14	etl::operator>= (etl::nullopt_t, const etl::optional< T > &rhs)
	Greater than equal operator. cppreference 18.
template<typename T>
ETL_OPTIONAL_ENABLE_CONSTEXPR_BOOL_RETURN_CPP20_STL	etl::operator>= (etl::nullopt_t, const etl::optional< T > &rhs)
	Greater than equal operator. cppreference 18.
template<typename T, typename U>
ETL_OPTIONAL_ENABLE_CONSTEXPR_BOOL_RETURN_CPP14	etl::operator== (const etl::optional< T > &lhs, const U &rhs)
	Equality operator. cppreference 19.
template<typename T, typename U>
ETL_OPTIONAL_ENABLE_CONSTEXPR_BOOL_RETURN_CPP20_STL	etl::operator== (const etl::optional< T > &lhs, const U &rhs)
	Equality operator. cppreference 19.
template<typename T, typename U>
ETL_OPTIONAL_ENABLE_CONSTEXPR_BOOL_RETURN_CPP14	etl::operator!= (const etl::optional< T > &lhs, const U &rhs)
	Inequality operator. cppreference 21.
template<typename T, typename U>
ETL_OPTIONAL_ENABLE_CONSTEXPR_BOOL_RETURN_CPP20_STL	etl::operator!= (const etl::optional< T > &lhs, const U &rhs)
	Inequality operator. cppreference 21.
template<typename T, typename U>
ETL_OPTIONAL_ENABLE_CONSTEXPR_BOOL_RETURN_CPP14	etl::operator== (const U &lhs, const etl::optional< T > &rhs)
	Equality operator. cppreference 20.
template<typename T, typename U>
ETL_OPTIONAL_ENABLE_CONSTEXPR_BOOL_RETURN_CPP20_STL	etl::operator== (const U &lhs, const etl::optional< T > &rhs)
	Equality operator. cppreference 20.
template<typename T, typename U>
ETL_OPTIONAL_ENABLE_CONSTEXPR_BOOL_RETURN_CPP14	etl::operator!= (const U &lhs, const etl::optional< T > &rhs)
	Inequality operator. cppreference 22.
template<typename T, typename U>
ETL_OPTIONAL_ENABLE_CONSTEXPR_BOOL_RETURN_CPP20_STL	etl::operator!= (const U &lhs, const etl::optional< T > &rhs)
	Inequality operator. cppreference 22.
template<typename T, typename U>
ETL_OPTIONAL_ENABLE_CONSTEXPR_BOOL_RETURN_CPP14	etl::operator< (const etl::optional< T > &lhs, const U &rhs)
	Less than operator. cppreference 23.
template<typename T, typename U>
ETL_OPTIONAL_ENABLE_CONSTEXPR_BOOL_RETURN_CPP20_STL	etl::operator< (const etl::optional< T > &lhs, const U &rhs)
	Less than operator. cppreference 23.
template<typename T, typename U>
ETL_OPTIONAL_ENABLE_CONSTEXPR_BOOL_RETURN_CPP14	etl::operator< (const U &lhs, const etl::optional< T > &rhs)
	Less than operator. cppreference 24.
template<typename T, typename U>
ETL_OPTIONAL_ENABLE_CONSTEXPR_BOOL_RETURN_CPP20_STL	etl::operator< (const U &lhs, const etl::optional< T > &rhs)
	Less than operator. cppreference 24.
template<typename T, typename U>
ETL_OPTIONAL_ENABLE_CONSTEXPR_BOOL_RETURN_CPP14	etl::operator<= (const etl::optional< T > &lhs, const U &rhs)
	Less than equal operator. cppreference 25.
template<typename T, typename U>
ETL_OPTIONAL_ENABLE_CONSTEXPR_BOOL_RETURN_CPP20_STL	etl::operator<= (const etl::optional< T > &lhs, const U &rhs)
	Less than equal operator. cppreference 25.
template<typename T, typename U>
ETL_OPTIONAL_ENABLE_CONSTEXPR_BOOL_RETURN_CPP14	etl::operator<= (const U &lhs, const etl::optional< T > &rhs)
	Less than equal operator. cppreference 26.
template<typename T, typename U>
ETL_OPTIONAL_ENABLE_CONSTEXPR_BOOL_RETURN_CPP20_STL	etl::operator<= (const U &lhs, const etl::optional< T > &rhs)
	Less than equal operator. cppreference 26.
template<typename T, typename U>
ETL_OPTIONAL_ENABLE_CONSTEXPR_BOOL_RETURN_CPP14	etl::operator> (const etl::optional< T > &lhs, const U &rhs)
	Greater than operator. cppreference 27.
template<typename T, typename U>
ETL_OPTIONAL_ENABLE_CONSTEXPR_BOOL_RETURN_CPP20_STL	etl::operator> (const etl::optional< T > &lhs, const U &rhs)
	Greater than operator. cppreference 27.
template<typename T, typename U>
ETL_OPTIONAL_ENABLE_CONSTEXPR_BOOL_RETURN_CPP14	etl::operator> (const U &lhs, const etl::optional< T > &rhs)
	Greater than operator. cppreference 28.
template<typename T, typename U>
ETL_OPTIONAL_ENABLE_CONSTEXPR_BOOL_RETURN_CPP20_STL	etl::operator> (const U &lhs, const etl::optional< T > &rhs)
	Greater than operator. cppreference 28.
template<typename T, typename U>
ETL_OPTIONAL_ENABLE_CONSTEXPR_BOOL_RETURN_CPP14	etl::operator>= (const etl::optional< T > &lhs, const U &rhs)
	Greater than equal operator. cppreference 29.
template<typename T, typename U>
ETL_OPTIONAL_ENABLE_CONSTEXPR_BOOL_RETURN_CPP20_STL	etl::operator>= (const etl::optional< T > &lhs, const U &rhs)
	Greater than equal operator. cppreference 29.
template<typename T, typename U>
ETL_OPTIONAL_ENABLE_CONSTEXPR_BOOL_RETURN_CPP14	etl::operator>= (const U &lhs, const etl::optional< T > &rhs)
	Greater than equal operator. cppreference 30.
template<typename T, typename U>
ETL_OPTIONAL_ENABLE_CONSTEXPR_BOOL_RETURN_CPP20_STL	etl::operator>= (const U &lhs, const etl::optional< T > &rhs)
	Greater than equal operator. cppreference 30.
template<typename T>
ETL_CONSTEXPR20_STL etl::optional< typename etl::decay< T >::type >	etl::make_optional (T &value)
	Make an optional.
template<typename T>
ETL_CONSTEXPR20_STL void	swap (etl::optional< T > &lhs, etl::optional< T > &rhs)
	Swaps the values.

Variables
const nullopt_t	etl::nullopt = {}