text: function endsWithChar(word, c) {
      if (c.length > 1) {
          return c.indexOf(word.slice(-1)) > -1;
      }
  
      return word.slice(-1) === c;
  }
  
  function endsWith(word, end) {
      return word.slice(word.length - end.length) === end;
  }
  
  module.exports = {
      endsWith: endsWith,
      endsWithChar: endsWithChar
  };
  