decrement method
- num by = 1
Decrement numeric signal.
Implementation
void decrement([num by = 1]) {
if (val is num) {
emit(((val as num) - by) as T);
}
}Decrement numeric signal.
void decrement([num by = 1]) {
if (val is num) {
emit(((val as num) - by) as T);
}
}