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/Dart 2

removeWhere method

void removeWhere (bool test(K key, V value))

Removes all entries of this map that satisfy the given predicate.

Implementation

void removeWhere(bool test(K key, V value)) {
  var keysToRemove = <K>[];
  for (var key in keys) {
    if (test(key, this[key])) keysToRemove.add(key);
  }
  for (var key in keysToRemove) {
    this.remove(key);
  }
}

© 2012 the Dart project authors
Licensed under the Creative Commons Attribution-ShareAlike License v4.0.
https://api.dartlang.org/stable/2.0.0/dart-collection/MapMixin/removeWhere.html