exports.FreeList = function (name, max, constructor){ 
this.name = name; 
this.constructor = constructor; 
this.max = max; 
this.list = [] ; 
} 
; 
exports.FreeList.prototype.alloc = function (){ 
return _AN_Read_length('length', this.list)? this.list.shift(): this.constructor.apply(this, arguments); 
} 
; 
exports.FreeList.prototype.free = function (obj){ 
if (_AN_Read_length('length', this.list) < this.max) { 
this.list.push(obj); 
} 
} 
;