Zowm

Zowm is an esolang where every value is either a function or an integer.

let x = 72;
let y = 105;
let combined = x * 256 + y;
print(combined);  // prints 'Hi'

Every function must specify the type of its parameters:

fun multiply(a: n, b: n) {
    return a * b;
}

let multiply = fun(a: n, b: n) {
    return a * b;
}

Zowm has static typechecking:

print(log(2, rand(-15, 3)));  // Domain error

let in = input();
if in == 0 { exit(); }
print(irepr(rand(0, in)));