learning scala zipAll

If two Iterables aren't the same size, then zipAll can provide fillers for what it couldn't find a complement for.

e.g. Iterable(x1, x2, x3) zipAll (Iterable(y1, y2), x, y) will return ((x1,y1), (x2, y2), (x3, y))):

 

　

【推广】 免费学中医，健康全家人
原文地址：https://www.cnblogs.com/lianghong881018/p/11351817.html