1. polymer
  2. polymer
  3. Polymer
  4. registerNamedObserver

method registerNamedObserver

void registerNamedObserver(String name, StreamSubscription sub)

Bookkeeping observers for memory management.

Source 

void registerNamedObserver(String name, StreamSubscription sub) {
  if (_namedObservers == null) {
    _namedObservers = new Map<String, StreamSubscription>();
  }
  _namedObservers[name] = sub;
}