reasonml

reason.js

type schoolPerson = Teacher | Director;

let greeting = (stranger) =>
  switch (stranger) {
  | Teacher => "Hey professor!"
  | Director => "Hello director."
  };

Js.log(greeting(Teacher));
  
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// Generated by BUCKLESCRIPT VERSION 2.2.3, PLEASE EDIT WITH CARE
'use strict';


function greeting(stranger) {
  if (stranger !== 0) {
    return "Hello director.";
  } else {
    return "Hey professor!";
  }
}

console.log("Hey professor!");

exports.greeting = greeting;
/*  Not a pure module */