Class Signal

Signals are Waitables with the concept of a 'source', a dynamic value represented by a callable that returns either an unresolved NULL, an Exception, or a non-NULL value.

Alchemy\util\promise\Waitable

Alchemy\util\promise\Signal

Direct known subclasses

Alchemy\util\promise\Promise

Namespace: Alchemy\util\promise
Located at alchemy/util/promise/Signal.php

Methods summary
`public`	# `__construct( mixed $source = null, mixed $type = null )` Overrides `Alchemy\util\promise\Waitable::__construct()`
`protected`	# `precheck( )` Queries the Signal's source for its current value. If this is itself a Waitable, that Waitable becomes the new source. Queries the Signal's source for its current value. If this is itself a Waitable, that Waitable becomes the new source. Overrides `Alchemy\util\promise\Waitable::precheck()`

Methods inherited from Alchemy\util\promise\Waitable
`__invoke(), check(), expect(), resolve(), timeout(), type(), wait()`

Properties summary
`protected mixed`	`$fnSource`	`null`	#

Properties inherited from Alchemy\util\promise\Waitable
`$result, $spin, $started, $timeout`

Namespaces

Classes

Interfaces

Exceptions

Class Signal

Direct known subclasses

Overrides

Overrides