etl::optional< T > Class Template Reference

#include <optional.h>

Public Types
typedef T	value_type
typedef T *	iterator
typedef const T *	const_iterator

Public Member Functions
	optional (etl::nullopt_t)
	Constructor with nullopt.
	optional (const optional &other)
	Copy constructor.
	optional (const T &value_)
	Construct from value type.
optional &	operator= (etl::nullopt_t)
	Assignment operator from nullopt.
optional &	operator= (const optional &other)
	Assignment operator from optional.
optional &	operator= (const T &value_)
	Assignment operator from value type.
ETL_CONSTEXPR20_STL iterator	begin () ETL_NOEXCEPT
	Returns an iterator to the beginning of the optional.
ETL_CONSTEXPR20_STL const_iterator	begin () const ETL_NOEXCEPT
	Returns a const iterator to the beginning of the optional.
ETL_CONSTEXPR20_STL iterator	end () ETL_NOEXCEPT
	Returns an iterator to the end of the optional.
ETL_CONSTEXPR20_STL const_iterator	end () const ETL_NOEXCEPT
	Returns a const iterator to the end of the optional.

Detailed Description

template<typename T>
class etl::optional< T >

An optional type. If the optional type is not initialised then a type is not constructed. See http://en.cppreference.com/w/cpp/utility/optional

Template Parameters

T	The type to store.

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

• include/etl/optional.h