From: nobu.nokada@... Date: 2001-12-15T12:10:38+09:00 Subject: [ruby-talk:28583] Re: What is the partner of concat? Hi, At Sat, 15 Dec 2001 12:01:45 +0900, Jim Freeze wrote: > a=[3,4];b=[1,2] > a.unshift b # = > [[1,2],3,4] > > I want > [1,2,3,4] a[0, 0] = b Nobu Nakada