setIfAbsent<T> method

T setIfAbsent<T>(
  1. T controller, {
  2. String? key,
})

Implementation

T setIfAbsent<T>(T controller, {String? key}) {
  String k = key ?? T.toString();
  return contains<T>(key: k) ? get(key: k) : set<T>(controller, key: key);
}