remove method
- Object? o
override
Removes a single instance of value
from the queue.
Returns true
if a value was removed, or false
if the queue
contained no element equal to value
.
Implementation
bool remove(Object? o) {
_DoubleLinkedQueueEntry<E> entry = _sentinel._nextLink!;
while (true) {
var elementEntry = entry._asNonSentinelEntry();
if (elementEntry == null) return false;
bool equals = (elementEntry.element == o);
if (!identical(this, elementEntry._queue)) {
// Entry must still be in the queue.
throw ConcurrentModificationError(this);
}
if (equals) {
entry._remove();
_elementCount--;
return true;
}
entry = entry._nextLink!;
}
}