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  • cacheit.js

  • ¶ 
    (function(){
  • ¶

    decorate calcualtion by caching value

      module.exports = function(attr, calc_fn){
    return function(){
      if( !this.hasOwnProperty(attr) ){
        this[attr] = calc_fn.apply(this,arguments);
      }
      return this[attr];
    };
  };
})();