AsyncValue<T> class
A wrapper and handler for a value that is asynchronous (from a Future).
Constructors
-
AsyncValue(Future<
T> future) - AsyncValue.from(Object? value)
-
factory
Properties
- error → Object?
-
no setter
-
future
→ Future<
T> -
no setter
- hasError → bool
-
Returns
trueif the value has an execution error.no setter - hashCode → int
-
The hash code for this object.
no setterinherited
- isLoaded → bool
-
Returns
trueif value is loaded.no setter - isLoadedOK → bool
-
Returns
trueif isLoaded and no error (OK).no setter - isLoadedWithError → bool
-
Returns
trueif isLoaded and has an errorno setter -
onLoad
→ EventStream<
T?> -
Handles
loadevents.final - runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
Methods
-
dispose(
) → void - Disposes the value, error and future associated.
-
get(
) → T? - Returns the value (only if already loaded).
-
getAsync(
) → Future< T?> - Returns a Future<T> with the value.
-
getIfLoaded(
) → T? - Returns the value if loaded.
-
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a nonexistent method or property is accessed.
inherited
-
toString(
) → String -
A string representation of this object.
inherited
Operators
-
operator ==(
Object other) → bool -
The equality operator.
inherited