Disposable Essential

A handle to a resource that can be disposed. For example, Emitter::on returns disposables representing subscriptions.

Methods

Ensure that object correctly implements the Disposable contract.

Argument	Description
`object`	An Object you want to perform the check against.

Return values
Returns a Boolean indicating whether `object` is a valid `Disposable`.

Construct a Disposable

Argument	Description
`disposalAction`	A Function to call when ::dispose is called for the first time.

Perform the disposal action, indicating that the resource associated with this disposable is no longer needed.

You can call this method more than once, but the disposal action will only be performed the first time.