aria::Command<> Class Reference

#include <command.hpp>

Public Types
using	Action = std::function<void()>
using	Predicate = std::function<bool()>
using	CanExecuteSignal = detail::TypedSignal<bool>

Public Member Functions
template<std::invocable<> A>
	Command (A &&action)
template<std::invocable<> A, std::predicate<> P>
	Command (A &&action, P &&predicate)
	Command (const Command &)=delete
Command &	operator= (const Command &)=delete
	Command (Command &&)=delete
Command &	operator= (Command &&)=delete
	~Command ()
void	execute ()
void	operator() ()
bool	can_execute () const
void	notify_can_execute_changed () const
	Force-emit a can_execute notification.
Subscription	observe_can_execute (std::function< void(bool)> fn)

Friends
class	binding::BindingEngine

Member Typedef Documentation

Action

using aria::Command<>::Action = std::function<void()>

Predicate

using aria::Command<>::Predicate = std::function<bool()>

CanExecuteSignal

using aria::Command<>::CanExecuteSignal = detail::TypedSignal<bool>

Constructor & Destructor Documentation

Command() [1/4]

template<std::invocable<> A>

aria::Command<>::Command ( A && action )

inlineexplicit

Command() [2/4]

template<std::invocable<> A, std::predicate<> P>

aria::Command<>::Command ( A && action, P && predicate )

inline

Command() [3/4]

aria::Command<>::Command ( const Command<> & )

delete

Command() [4/4]

aria::Command<>::Command ( Command<> && )

delete

~Command()

aria::Command<>::~Command ( )

inline

Member Function Documentation

operator=() [1/2]

Command & aria::Command<>::operator= ( const Command<> & )

delete

operator=() [2/2]

Command & aria::Command<>::operator= ( Command<> && )

delete

execute()

void aria::Command<>::execute ( )

inline

operator()()

void aria::Command<>::operator() ( )

inline

can_execute()

bool aria::Command<>::can_execute ( ) const

inlinenodiscard

notify_can_execute_changed()

void aria::Command<>::notify_can_execute_changed ( ) const

inline

Force-emit a can_execute notification.

Rarely needed for Command<> (the built-in Effect handles reactive state automatically); provided as an escape hatch when the predicate depends on non-reactive state.

observe_can_execute()

Subscription aria::Command<>::observe_can_execute ( std::function< void(bool)> fn )

inlinenodiscard

Friends And Related Symbol Documentation

binding::BindingEngine

friend class binding::BindingEngine

friend

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

• modules/core/include/aria/command.hpp