removeWhere method
Implementation
void removeWhere(bool test(MyLinkedListEntry<VoidCallback> element)) {
List<MyLinkedListEntry<VoidCallback>>? removeIt = [];
forEach((entry) {
if (test(entry)) {
removeIt.add(entry);
}
});
if (removeIt.isNotEmpty)
removeIt.forEach((entry) {
remove(entry);
});
}