rune 0.14.1

The Rune Language, an embeddable dynamic programming language for Rust.
Documentation 
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#[test]
fn test_if_else() {
    let number = 3;

    let out = 0;

    if number < 5 {
        out = 1;
    } else if number == 5 {
        out = 2;
    } else {
        out = 3;
    }

    assert_eq!(out, 1);
}

#[test]
fn test_control_flow() {
    fn foo(n) {
        if n < 1 {
            return "less than one";
        }

        "something else"
    }

    assert_eq!(foo(0), "less than one");
    assert_eq!(foo(10), "something else");
}