setIfPresent method
Implementation
IMap<K, V> setIfPresent(K k, V v) {
final newTree = _tree.setIfPresent(_order, k, v);
return identical(_tree, newTree) ? this : new IMap._internal(_order, newTree);
}
IMap<K, V> setIfPresent(K k, V v) {
final newTree = _tree.setIfPresent(_order, k, v);
return identical(_tree, newTree) ? this : new IMap._internal(_order, newTree);
}