decrement method
Decrements: this.value - value
Implementation
num? decrement(Object? value) {
var result = parseNum(_value)! - parseNum(value)!;
set(result);
return asNum;
}
Decrements: this.value - value
num? decrement(Object? value) {
var result = parseNum(_value)! - parseNum(value)!;
set(result);
return asNum;
}