operator [] method
T
operator [](
- _OptionEarlyReturnKey op
Functions an "Early Return Operator" when given an "Early Return key" "$". See Option.$
for more information.
Implementation
T operator [](_OptionEarlyReturnKey op) {
if (v == null) {
throw const _OptionEarlyReturnNotification();
} else {
return v!;
}
}