From: Sam Roberts <sroberts@...>
Date: 2003-06-24T02:18:35+09:00
Subject: Re: [bug] Array#unshift() zero arguments

This results in an error in 1.6.7, too, though the message is different.

Did you expect 1.8 to work diffently than 1.6?

Quoteing 0bz63fz3m1qt3001@sneakemail.com, on Tue, Jun 24, 2003 at 01:39:15AM +0900:
> > irb
> irb(main):001:0> [].unshift()
> IndexError: index -1 out of array
>         from (irb):1:in `unshift'
>         from (irb):1
> irb(main):002:0> [].unshift(*[])
> IndexError: index -1 out of array
>         from (irb):2:in `unshift'
>         from (irb):2
> irb(main):003:0> [].push(*[])
> => []

[ensemble] ~ $ ruby --version
ruby 1.6.7 (2002-03-01) [powerpc-darwin6.0]
[ensemble] ~ $ irb
irb(main):001:0>  [].unshift()
ArgumentError: wrong # of arguments(at least 1)
        from (irb):1:in `unshift'
        from (irb):1
irb(main):002:0> [].unshift(*[])
ArgumentError: wrong # of arguments(at least 1)
        from (irb):2:in `unshift'
        from (irb):2
irb(main):003:0> ^D

Sam