mlscript/local_testing.html at mlscript · auht/mlscript · GitHub

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<!DOCTYPE html>
<html>
  <head>
    <meta charset="UTF-8">
    <link rel="stylesheet" type="text/css" href="index.css">
    <title>MLscript demonstration</title>
  </head>
  <body>
  <h1>MLscript demonstration</h1>
  <div id="content">
    <textarea id="mlscript-input" class="panel" spellcheck="false">
type List[A] = Cons[A] | Nil

class Cons[out A](head: A, tail: List[A]) {
  fun map: (A -> 'B) -> List['B]
  map(f) = Cons of f(head), tail.map(f)
}
module Nil {
  fun map(f) = Nil
}

fun (::) cons(x, xs) = Cons(x, xs)

fun show(xs) =
  let rec go(xs) = if xs is
    Cons(h, Nil) then String(h)
    Cons(h, t)   then join(String(h), ", ", go(t))
    Nil          then ""
  join("[", go(xs), "]")

let xs = 1 :: 2 :: 3 :: Nil

show(xs)

show(xs.map of x => succ(x))
</textarea>
    <div id="mlscript-output" class="panel"></div>
  </div>
  <script type="text/javascript" src="js/target/scala-2.13/mlscript-fastopt/main.js"></script>
  <br/>
  <!-- <p>The code is available TODO.</p> -->
  <br/>

</html>