text: "use strict";module.export({fail:()=>fail,argument:()=>argument,assert:()=>argument});// Run-time checking of preconditions.
  
  function fail(message) {
      throw new Error(message);
  }
  
  // Precondition function that checks if the given predicate is true.
  // If not, it will throw an error.
  function argument(predicate, message) {
      if (!predicate) {
          fail(message);
      }
  }
  
  
  module.exportDefault({ fail, argument, assert: argument });
  