From: Dave Thomas <Dave@...>
Date: 2001-04-25T01:28:36+09:00
Subject: [ruby-talk:14162] Re: Can I insert into an array

Jim Freeze <jim@freeze.org> writes:

> Ok, this may be a dumb question, but, is it possible to insert into an
> array.
> 
> EG,
>  a = [1, 2]
>  a.insert(1,3) => [1,3,2]

  a = [1, 2]		# => [1, 2]
  a[1,0] = 3		# => [1, 3, 2]

In general,

    a[pos, len] = x

deletes 'len' elements starting at 'pos', then inserts 'x' at that
position. If  'len' is zero, nothing gets deleted before the insert.


Dave