Variable attributes (was Re: RFC 355 (v1) Leave $[ alone.)

[John Porter]

Bart Lateur wrote:
> 
> You don't declare Perl arrays. They just exist. Well... except for my'ed
> arrays.
> 
> My idea is that if anybody sets $[ to 1 in a script, all accesses to
> array in that script would use 1 as the index of the very first item:
> $ary[1]. But if you pass this array (for example, a reference to it) to
> a function in a module that doesn't set $[, it would access the same
> first item through index 0: $ary[0] or $ref->[0].

Sounds like it should be an attribute:

        my @a :base(1);

But, now what about non-lexical arrays?
How do you set an attribute on a global variable?

-- 
John Porter

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