Pops and returns the last object in this list.
The list must not be empty.
Throws an UnsupportedError if this is a fixed-length list.
E removeLast() { if (length == 0) { throw IterableElementError.noElement(); } E result = this[length - 1]; length--; return result; }
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Licensed under the Creative Commons Attribution-ShareAlike License v4.0.
https://api.dart.dev/stable/2.5.0/dart-collection/ListMixin/removeLast.html