SplayTreeMap<K, V>.from constructor

SplayTreeMap<K, V>.from(
  1. Map other,
  2. [int compare(
    1. K key1,
    2. K key2
  3. bool isValidKey(
    1. dynamic potentialKey

Creates a SplayTreeMap that contains all key/value pairs of other.

The keys must all be instances of K and the values of V. The other map itself can have any type.


factory SplayTreeMap.from(Map other,
    [int compare(K key1, K key2), bool isValidKey(potentialKey)]) {
  SplayTreeMap<K, V> result = SplayTreeMap<K, V>(compare, isValidKey);
  other.forEach((k, v) {
    result[k] = v;
  return result;