ICallbackHandler<CallbackInputType, CallbackReturnType> class abstract interface

Interface defining the contract for callback handlers.

Implement this interface to create custom callback handling behavior.

Type parameters:

• CallbackInputType - The type of input accepted by callbacks
• CallbackReturnType - The type of value returned by callbacks

Implementers

• CallbackHandler

Properties

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

Methods

clear() → void

Clear the object

invoke(CallbackInputType input) → void

Invokes all registered callbacks with the given input.

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

register(CallbackWithReturn<CallbackInputType, CallbackReturnType> callback) → void

Registers a new callback function.

toString() → String

A string representation of this object.

inherited

unregister(CallbackWithReturn<CallbackInputType, CallbackReturnType> callback) → void

Removes a previously registered callback.

Operators

operator ==(Object other) → bool

The equality operator.

inherited