close method
void
close()
Implementation
void close() {
if (_closed) {
throw const MutationClosedException();
}
_closed = true;
for (var element in _onCloseList) {
element(this);
}
}
void close() {
if (_closed) {
throw const MutationClosedException();
}
_closed = true;
for (var element in _onCloseList) {
element(this);
}
}