An immutable value imlementation. More...

Public Types
using	element_type = T
	The type of the stored pointer.

Public Member Functions
constexpr	immutable_value () noexcept=default
	Construct a null pointer.

constexpr	immutable_value (std::nullptr_t) noexcept
	Explicitly construct a null pointer.

template<class U > requires (!std::same_as<std::remove_cvref_t<U>, immutable_value>)
	immutable_value (U &&value)
	Construct a value.

template<class... Args>
	immutable_value (std::in_place_t tag, Args &&...args)
	Construct a value in place.

	immutable_value (immutable_value const &other) noexcept
	Copy an immutable value.

	immutable_value (immutable_value &&other) noexcept
	Move construct an immutable value.

auto	operator= (immutable_value const &other) noexcept -> immutable_value &
	Copy assign an immutable value.

auto	operator= (immutable_value &&other) noexcept -> immutable_value &
	Move assign an immutable value.

	~immutable_value () noexcept
	Decrement reference count and delete contained pointer if zero.

auto	has_value () const noexcept -> bool
	Check if the value is engaged.

	operator bool () const noexcept
	Check if the value is engaged.

auto	get () const noexcept -> element_type const &
	Get the value.

auto	operator* () const noexcept -> element_type const &
	Get the value.

auto	operator-> () const noexcept -> element_type const *
	Get the member of pointer.

	operator T const & () const noexcept
	Conversion operator.

Related Symbols
(Note that these are not member symbols.)
template<class X , class Y >
auto	operator== (const immutable_value< X > &lhs, const immutable_value< Y > &rhs) -> bool
	Compare two immutable values.

template<class X , class Y >
auto	operator (const immutable_value< X > &lhs, const immutable_value< Y > &rhs)
	Compare two immutable values.

Detailed Description

template<typename T>
class CppClingo::Util::immutable_value< T >

An immutable value imlementation.

It is faster than the std::shared_ptr implementation. However, it cannot be used safely in multi-threaded applications.

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

Public Types