02_arithmetic.nula

// 02_arithmetic.nula - Values, bindings, and operators
// Demonstrates: let, arithmetic, comparisons, booleans, strings
//
// Run: nulang examples/02_arithmetic.nula

// Integer arithmetic
let a = 40 + 2
let b = 10 - 3
let c = 6 * 7
let d = 84 / 2
let e = 85 % 42

perform IO.print("42 = " + perform Int.to_string(a))
perform IO.print("10-3 = " + perform Int.to_string(b))
perform IO.print("6*7 = " + perform Int.to_string(c))
perform IO.print("84/2 = " + perform Int.to_string(d))
perform IO.print("85%42 = " + perform Int.to_string(e))

// Comparisons
let eq = 5 == 5
let neq = 5 != 3
let lt = 3 < 5
let gt = 10 > 5

perform IO.print("5==5: " + perform Int.to_string(if eq then 1 else 0))
perform IO.print("5!=3: " + perform Int.to_string(if neq then 1 else 0))
perform IO.print("3<5: " + perform Int.to_string(if lt then 1 else 0))
perform IO.print("10>5: " + perform Int.to_string(if gt then 1 else 0))

// Booleans
let t = true
let f = false
perform IO.print("true and false: " + perform Int.to_string(if t and f then 1 else 0))
perform IO.print("true or false: " + perform Int.to_string(if t or f then 1 else 0))
perform IO.print("not false: " + perform Int.to_string(if not f then 1 else 0))

// Strings
let greeting = "Hello"
let target = "Nulang"
perform IO.print(greeting + ", " + target + "!")

// Type annotations
let pi: Int = 3
perform IO.print("pi ~ " + perform Int.to_string(pi))