Promise<T> class

Represents the completion of an asynchronous operation

Available extensions

• Promise$Typings

Annotations

• @JS()
• @staticInterop
• @anonymous

Constructors

Promise({Future<Object> then<TResult1, TResult2>([FutureOr<TResult1> (dynamic)?, FutureOr<TResult2> ([dynamic])?])?, Future<Object> catch$<TResult>([FutureOr<TResult> ([dynamic])?])?, Future finally$([void ()?])?})

factory

Properties

catch$ ↔ Future<Object> Function<TResult>([FutureOr<TResult> ([dynamic])?])

Available on Promise<T>, provided by the Promise$Typings extension

getter/setter pair

finally$ ↔ Future<T> Function([void ()?])

Available on Promise<T>, provided by the Promise$Typings extension

getter/setter pair

hashCode → int

The hash code for this object.

no setter, inherited

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

then ↔ Future<Object> Function<TResult1, TResult2>([FutureOr<TResult1> (T)?, FutureOr<TResult2> ([dynamic])?])

Available on Promise<T>, provided by the Promise$Typings extension

getter/setter pair

Methods

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