Reuse with different types

Reuse with different types

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

Run

xen check examples/generics.xen
xen run examples/generics.xen

Expected output

7
hello

Complete source

generics.xen

// SPDX-License-Identifier: MIT OR Apache-2.0
struct Pair<T> { first: T, second: T }

fn identity<T>(value: T) -> T {
    return value;
}

fn main() {
    let pair = Pair<Int> { first: identity(7), second: 9 };
    println(pair.first);
    println(identity<String>("hello"));
}

Download file

Build an executable

xen build examples/generics.xen -o app

Run the generated executable on a compatible Linux machine.