var x = 2;
var result = 0;

switch (x) {
    case 1: {
        result = 10;
        break;
    }
    case 2: {
        result = 20;
        // Fallthrough to 3
    }
    case 3: {
        result = result + 5;
        break;
    }
    default: {
        result = 0 - 1;
    }
}

print(result);

var i = 0;
while (i < 10) {
    if (i == 5) {
        break;
    }
    i = i + 1;
}
print(i);