ขนาดวิดีโอ: 1280 X 720853 X 480640 X 360
แสดงแผงควบคุมโปรแกรมเล่น
เล่นอัตโนมัติ
เล่นใหม่
Very good overview. Thanks a lot
flat_set and flat_map are useless, just look at the benchmarks. It's one of those cases when you think Y will be faster than X, but then you measure and it's the other way around.
![BOWKYLION - วิงวอน (ex-change) [Official MV]](http://i.ytimg.com/vi/cLdnZWDaO-w/mqdefault.jpg)
Very good overview. Thanks a lot
flat_set and flat_map are useless, just look at the benchmarks. It's one of those cases when you think Y will be faster than X, but then you measure and it's the other way around.