SignalValueListenable<T, N extends ValueListenable<T>, S extends ReadonlySignal<T>> class
- Inheritance
-
- Implemented types
-
- Available extensions
Properties
-
autoDispose
→ bool
-
Throws and error if read after dispose and can be
disposed on last unsubscribe.
no setterinherited
-
debugLabel
→ String?
-
Debug label for Debug Mode
no setterinherited
-
disposed
↔ bool
-
Returns true if dispose has been called and will throw and
error on value read
getter/setter pairinherited
-
globalId
→ int
-
Global ID of the signal
no setterinherited
-
hashCode
→ int
-
The hash code for this object.
no setterinherited
-
hasTargets
→ bool
-
Check if there are any targets attached
no setterinherited
-
initialValue
→ T
-
Value that the signal was created with
no setterinherited
-
isInitialized
→ bool
-
Check if the signal is lazy and has not had a value set
no setterinherited
-
notifier
→ N
-
Internal value notifier
final
-
previousValue
→ T?
-
Previous value that was set before the current
no setterinherited
-
runtimeType
→ Type
-
A representation of the runtime type of the object.
no setterinherited
-
source
→ S
-
Internal source signal
finalinherited
-
targets
→ Iterable<SignalListenable>
-
@internal for testing getter to track all the effects currently
effected in the signal
no setterinherited
-
value
→ T
-
Compute the current value
no setterinherited
-
version
→ int
-
Version number is used to track changes and will increment for every set
no setterinherited
Methods
-
addListener(VoidCallback listener)
→ void
-
Register a closure to be called when the object notifies its listeners.
override
-
call()
→ T
-
Return the value when invoked
inherited
-
dispose()
→ void
-
Dispose the signal
override
-
get()
→ T
-
Get the current value
inherited
-
noSuchMethod(Invocation invocation)
→ dynamic
-
Invoked when a nonexistent method or property is accessed.
inherited
-
onDispose(void cleanup())
→ EffectCleanup
-
Add a cleanup function to be called when the signal is disposed
inherited
-
peek()
→ T
-
In the rare instance that you have an effect that should write to
another signal based on the previous value, but you don't want the
effect to be subscribed to that signal, you can read a signals's
previous value via
signal.peek()
.
inherited
-
removeListener(VoidCallback listener)
→ void
-
Remove a previously registered closure from the list of closures that the
object notifies.
override
-
subscribe(void fn(T value))
→ EffectCleanup
-
Subscribe to value changes
inherited
-
toJson()
→ dynamic
-
Convert value to JSON
inherited
-
toString()
→ String
-
A string representation of this object.
inherited