main() { | |
var x = int.parse('1233'); | |
var y = int.parse('1234'); | |
var z = int.parse('1236'); | |
print(x is num); | |
print(y is num); | |
print(z is num); | |
print(x.clamp(y, z)); | |
print(x is num); | |
print(y is num); // will be compiled to `true` if we know the type of `y`. | |
print(z is num); | |
} |