Topaz Playground

Type-checks and runs in your browser. Nothing is sent to a server.

single file

import std.io

function greet(name: string) -> string {
  return "Hello, {name}!"
}

io.writeLine(greet("Topaz"))

let nums = [1, 2, 3, 4]
let total = nums.reduce(0, (a, b) => a + b)
io.writeLine("sum = {total}")

Run a program to see its output here.