length property
override
Returns the number of elements in this.
Counting all elements may involve iterating through all elements and can therefore be slow. Some iterables have a more efficient way to find the number of elements.
Implementation
int get length => _elementCount;
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Licensed under the Creative Commons Attribution-ShareAlike License v4.0.
https://api.dart.dev/stable/2.13.0/dart-collection/DoubleLinkedQueue/length.html