TrieUsingArrow.js

class TrieUsingArrow { 
  has = word => true; 
}

// Transpiled by TypeScript as
var TrieUsingArrow = /** @class */ (function () { 
    function TrieUsingArrow() { 
        this.has = function (word) { return true; }; 
    } 
    return TrieUsingArrow; 
}());