osgeo::proj::util::optional< T > Class Template Reference

Loose transposition of std::optional available from C++17. More...

#include <util.hpp>

Public Member Functions
const T *	operator-> () const
const T &	operator* () const
	operator bool () const noexcept
bool	has_value () const noexcept

Detailed Description

template<class T>
class osgeo::proj::util::optional< T >

Loose transposition of std::optional available from C++17.

Member Function Documentation

template<class T>

bool osgeo::proj::util::optional< T >::has_value ( ) const

inlinenoexcept

Return whether the optional has a value

template<class T>

osgeo::proj::util::optional< T >::operator bool ( ) const

inlineexplicitnoexcept

Return whether the optional has a value

template<class T>

const T& osgeo::proj::util::optional< T >::operator* ( ) const

inline

Returns a reference to the contained value.

template<class T>

const T* osgeo::proj::util::optional< T >::operator-> ( ) const

inline

Returns a pointer to the contained value.

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

• include/proj/util.hpp