clear method
If removeEmptySets
is true
, returns an empty map of sets with the same
configuration. However, if removeEmptySets
is false
, keep the keys,
but make their sets empty.
Implementation
IMapOfSets<K, V> clear() {
if (config.removeEmptySets)
return empty<K, V>(config);
else {
var emptySet = ISetImpl.empty<V>(config.asConfigSet);
return updateAll((K key, ISet<V> set) => emptySet);
}
}