retainWhere method
-
bool test(
- E element
override
Removes all elements not matched by test
from the queue.
The test
function must not throw or modify the queue.
Implementation
void retainWhere(bool test(E element)) { _filter(test, false); }
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https://api.dart.dev/stable/2.13.0/dart-collection/DoubleLinkedQueue/retainWhere.html