First program

First program

Run from the repository or distribution root. Put xen on PATH, or substitute ./bin/xen.

Run

xen check examples/hello.xen
xen run examples/hello.xen

Expected output

Hello, Xen!

Complete source

hello.xen

// SPDX-License-Identifier: MIT OR Apache-2.0
fn main() {
    println("Hello, Xen!");
}

Download file

Build an executable

xen build examples/hello.xen -o app

Run the generated executable on a compatible Linux machine.