retainWhere method
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)) => delegate.retainWhere(test);Removes all elements not matched by test from the queue.
The test function must not throw or modify the queue.
void retainWhere(bool test(E element)) => delegate.retainWhere(test);