From: Tom Stuart <tom@...>
Date: 2009-11-25T01:16:12+09:00
Subject: Re: Difference between << and += for Strings and Arrays. Bug?

2009/11/24 Pieter Hugo <pieter@internext.co.za>:
> I worked around with
>
> a = [1,2]
> b = []
> b += a
> b.pop
>
> Now b == [1] and a == [1,2], but its not as sleek. Is there maybe
> another way?

Depending on your needs, try

a = [1, 2]
b = a.dup
b.pop

or

a = [1, 2]
a.last

Cheers,

Tom