NAME

    YAMLScript::FFI - Program in YAML

SYNOPSIS

    A YAMLScript program 99-bottles.ys:

        #!/usr/bin/env yamlscript
    
        defn main(number=99):
          map(say):
            map(paragraph):
              (number .. 1)
    
        defn paragraph(num): |
          $(bottles num) of beer on the wall,
          $(bottles num) of beer.
          Take one down, pass it around.
          $(bottles (num - 1)) of beer on the wall.
    
        defn bottles(n):
          ???:
            (n == 0) : "No more bottles"
            (n == 1) : "1 bottle"
            :else    : "$n bottles"

    Run: yamlscript 99-bottles.ys 3

        3 bottles of beer on the wall,
        3 bottles of beer.
        Take one down, pass it around.
        2 bottles of beer on the wall.
    
        2 bottles of beer on the wall,
        2 bottles of beer.
        Take one down, pass it around.
        1 bottle of beer on the wall.
    
        1 bottle of beer on the wall,
        1 bottle of beer.
        Take one down, pass it around.
        No more bottles of beer on the wall.

    Use the YAMLScript REPL:

        $ yamlscript
        Welcome to YAMLScript [perl]
    
        user=> nums =: (1 .. 3)
        user/nums
        user=> nums
        (1 2 3)
        user=> map(inc nums)
        (2 3 4)
        user=> <CTL-D>         # to exit
        $

STATUS

    This is ALPHA software. Expect things to change.

DESCRIPTION

    YAMLScript is a programming language that uses YAML as a base syntax.

    See https://yamlscript.org for more info.

    Proper docs coming soon.

SEE ALSO

      * YAMLScript Site <https://yamlscript.org>

      * YAML <https://yaml.org>

      * Clojure <https://clojure.org>

AUTHORS

      * Ingy döt Net ingy@ingy.net <mailto:ingy@ingy.net>

      * José Joaquín Atria jjattria@cpan.org <mailto:jjattria@cpan.org>

COPYRIGHT AND LICENSE

    Copyright 2022-2023 by Ingy döt Net

    This is free software, licensed under:

    The MIT (X11) License

