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/Dart 2

remove method

V remove (Object key)

This operation is not supported by an unmodifiable map.

Implementation

V remove(Object key) {
  throw new UnsupportedError("Cannot modify unmodifiable map");
}

© 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/UnmodifiableMapBase/remove.html