clear method

@override void clear()

Removes all entries from the map.

After this, the map is empty.

final planets = <int, String>{1: 'Mercury', 2: 'Venus', 3: 'Earth'};
planets.clear(); // {}

Implementation

@override
void clear() {
  throw Error.throwWithStackTrace(
    "this is a read only Map",
    StackTrace.current,
  );
}