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/Dart 2

lookup method

String lookup (Object value)

Lookup from the Set interface. Not interesting for a String set.

Implementation

String lookup(Object value) => contains(value) ? value : null;

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