Austral Modules example.

main.aum

import Square (square);

module body Main is

    function main(): ExitCode is
        let n: Int32 := 5;
        let n2:Int32  := square(n);

        printLn(n2);
        return ExitSuccess();
    end;

end module body.

square.aui

module Square is

    function square(n: Int32): Int32;

end module.

square.aum

module body Square is

    function square(n: Int32): Int32 is
        return n*n;
    end;

end module body.