Optional-like shim for references. More...

Public Member Functions
constexpr	OptionalRef (std::nullopt_t=std::nullopt)
	Constructor.

constexpr	OptionalRef (T &value)
	Constructor.

constexpr auto	operator<=> (const OptionalRef &) const =default
	Constructor.

constexpr bool	has_value () const
	true if has a value.

constexpr const T &	value () const
	Returns contained value.

constexpr T &	value ()
	Returns contained value.

constexpr	operator T* () const
	returns pointer if has value, nullptr otherwise.

constexpr bool	operator== (std::nullopt_t) const
	Comparison operator.

constexpr T &	operator* ()
	Equivalent to value()

constexpr const T &	operator* () const
	Equivalent to value()

constexpr T *	operator-> ()
	Equivalent to value()

constexpr const T *	operator-> () const
	Equivalent to value()

Detailed Description

template<class T>
class SDL::OptionalRef< T >

This allows us explicitly annotate optional parameters that would otherwise be references.

Template Parameters

T	the underlying type

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

Public Member Functions