operator []= method Null safety

  1. @override
void operator []=(
  1. K key,
  2. V value
)
override

Associates the key with the given value.

If the key was already in the map, its associated value is changed. Otherwise the key/value pair is added to the map.

Implementation

@override
void operator []=(K key, V value) {
  if (!_isValidKey(key)) return;
  _base[_canonicalize(key)] = MapEntry(key, value);
}