observable::expr::expression< ValueType, immediate_evaluator > Class Template Reference

Description

template<typename ValueType>
class observable::expr::expression< ValueType, immediate_evaluator >

Specialized expression that is updated immediately, whenever an expression node changes.

See also

expression<ValueType, EvaluatorType>

Public Member Functions
	expression (expression_node< ValueType > &&root)
	Create a new expression from the root node of an expression tree. More...
	expression ()=default
	Expressions are default-constructible. More...
	expression (expression const &)=delete
	Expressions are not copy-constructible. More...
auto	operator= (expression const &) -> expression &=delete
	Expressions are not copy-assignable. More...
	expression (expression &&)=default
	Expressions are move-constructible. More...
auto	operator= (expression &&) -> expression &=default
	Expressions are move-assignable. More...
Public Member Functions inherited from observable::expr::expression< ValueType, expression_evaluator >
	expression (expression_node< ValueType > &&root, expression_evaluator const &evaluator)
	Create a new expression from the root node of an expression tree. More...
	expression ()=default
	Expressions are default-constructible. More...
	expression (expression const &)=delete
	Expressions are not copy-constructible. More...
	expression (expression &&)=default
	Expressions are move-constructible. More...
void	eval ()
	Evaluate the expression. More...
virtual auto	get () const -> ValueType override
	Retrieve the expression's result. More...
virtual void	set_value_notifier (std::function< void(ValueType &&)> const &notifier) override
	Set a functor that can be used to notify the value to be updated of a change. More...
virtual	~expression ()
	Destructor. More...
auto	operator= (expression const &) -> expression &=delete
	Expressions are not copy-assignable. More...
auto	operator= (expression &&) -> expression &=default
	Expressions are move-assignable. More...
Public Member Functions inherited from observable::value_updater< ValueType >
virtual	~value_updater ()
	Destructor. More...
	value_updater ()=default
	Value updaters are default-constructible. More...
	value_updater (value_updater const &)=default
	Value updaters are copy-constructible. More...
	value_updater (value_updater &&)=default
	Value updaters are move-constructible. More...
value_updater &	operator= (value_updater const &)=default
	Value updaters are copy-assignable. More...
value_updater &	operator= (value_updater &&)=default
	Value updaters are move-assignable. More...

Additional Inherited Members
Protected Member Functions inherited from observable::expr::expression< ValueType, expression_evaluator >
auto	root_node () -> expression_node< ValueType > &
	Return the expression tree's root node. More...

Constructor & Destructor Documentation

expression() [1/4]

template<typename ValueType >

observable::expr::expression< ValueType, immediate_evaluator >::expression ( expression_node< ValueType > &&  root )

inlineexplicit

Create a new expression from the root node of an expression tree.

Parameters

[in]

root

Expression tree root node.

expression() [2/4]

template<typename ValueType >

observable::expr::expression< ValueType, immediate_evaluator >::expression ( )

default

Expressions are default-constructible.

expression() [3/4]

template<typename ValueType >

observable::expr::expression< ValueType, immediate_evaluator >::expression ( expression< ValueType, immediate_evaluator > const &  )

delete

Expressions are not copy-constructible.

expression() [4/4]

template<typename ValueType >

observable::expr::expression< ValueType, immediate_evaluator >::expression ( expression< ValueType, immediate_evaluator > &&  )

default

Expressions are move-constructible.

Member Function Documentation

operator=() [1/2]

template<typename ValueType >

auto observable::expr::expression< ValueType, immediate_evaluator >::operator= ( expression< ValueType, immediate_evaluator > const &  ) -> expression &=delete

delete

Expressions are not copy-assignable.

operator=() [2/2]

template<typename ValueType >

auto observable::expr::expression< ValueType, immediate_evaluator >::operator= ( expression< ValueType, immediate_evaluator > &&  ) -> expression &=default

default

Expressions are move-assignable.