listener property

void Function(ProviderTransformer<InT, ValueT> self, AsyncResult<InT> prev, AsyncResult<InT> next) listener

A callback invoked when the source changes after the initial event.

It will not be called with the initial value.

• self represents the this object of the ProviderTransformer. It offers a convenient way to call ProviderTransformer.state.

Implementation

final void Function(
  ProviderTransformer<InT, ValueT> self,
  AsyncResult<InT> prev,
  AsyncResult<InT> next,
)
listener;