update method

  1. @override
V update(
  1. K key,
  2. V update(
    1. V value
    ), {
  3. V ifAbsent()?,
})
override

see dart core documentation

Implementation

@override
V update(K key, V Function(V value) update, {V Function()? ifAbsent}) {
  var r = value.update(key, update, ifAbsent: ifAbsent);
  emit();
  return r;
}