etl::optional< T, true > Class Template Reference

#include <optional.h>

Public Member Functions
ETL_CONSTEXPR14	optional ()
	Constructor.
ETL_CONSTEXPR14	optional (etl::nullopt_t)
	Constructor with nullopt.
ETL_CONSTEXPR14	optional (const optional &other)
	Copy constructor.
ETL_CONSTEXPR14	optional (const T &value_)
	Constructor from value type.
ETL_CONSTEXPR14 optional &	operator= (etl::nullopt_t)
	Assignment operator from nullopt.
ETL_CONSTEXPR14 optional &	operator= (const optional &other)
	Assignment operator from optional.
ETL_CONSTEXPR14 optional &	operator= (const T &value_)
	Assignment operator from value type.
ETL_CONSTEXPR14 T *	operator-> ()
	Pointer operator.
ETL_CONSTEXPR14 const T *	operator-> () const
	Pointer operator.
ETL_CONSTEXPR14 T &	operator* () ETL_LVALUE_REF_QUALIFIER
	Dereference operator.
ETL_CONSTEXPR14 const T &	operator* () const ETL_LVALUE_REF_QUALIFIER
	Dereference operator.
ETL_CONSTEXPR14 ETL_EXPLICIT	operator bool () const
	Bool conversion operator.
ETL_CONSTEXPR14 bool	has_value () const ETL_NOEXCEPT
ETL_CONSTEXPR14 T &	value () ETL_LVALUE_REF_QUALIFIER
	Get a reference to the value.
ETL_CONSTEXPR14 const T &	value () const ETL_LVALUE_REF_QUALIFIER
	Get a const reference to the value.
ETL_CONSTEXPR14 T	value_or (const T &default_value) const ETL_LVALUE_REF_QUALIFIER
	Gets the value or a default if no valid.
ETL_CONSTEXPR14 void	swap (optional &other)
	Swaps this value with another.
ETL_CONSTEXPR14 void	reset ()
	Reset back to invalid.
template<typename T1 >
void	emplace (const T1 &value1)
template<typename T1 , typename T2 >
void	emplace (const T1 &value1, const T2 &value2)
template<typename T1 , typename T2 , typename T3 >
void	emplace (const T1 &value1, const T2 &value2, const T3 &value3)
template<typename T1 , typename T2 , typename T3 , typename T4 >
void	emplace (const T1 &value1, const T2 &value2, const T3 &value3, const T4 &value4)

Detailed Description

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

For POD types.

Template Parameters

T	The type to store.

Member Function Documentation

emplace() [1/4]

template<typename T >

template<typename T1 >

void etl::optional< T, true >::emplace ( const T1 &  value1 )

inline

Emplaces a value. 1 parameter.

emplace() [2/4]

template<typename T >

template<typename T1 , typename T2 >

void etl::optional< T, true >::emplace ( const T1 &  value1, const T2 &  value2  )

inline

Emplaces a value. 2 parameters.

emplace() [3/4]

template<typename T >

template<typename T1 , typename T2 , typename T3 >

void etl::optional< T, true >::emplace ( const T1 &  value1, const T2 &  value2, const T3 &  value3  )

inline

Emplaces a value. 3 parameters.

emplace() [4/4]

template<typename T >

template<typename T1 , typename T2 , typename T3 , typename T4 >

void etl::optional< T, true >::emplace ( const T1 &  value1, const T2 &  value2, const T3 &  value3, const T4 &  value4  )

inline

Emplaces a value. 4 parameters.

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

• include/etl/optional.h