Ruud H.G. van Tol skribis 2005-11-24 12:25 (+0100):
>   [EMAIL PROTECTED]    zip: @a.keys? @a.indices?

Special syntax, or special context?

> Indices can be sets of sparse ranges. A sparse range is a set of
> non-sparse ranges.
> [7..13; 0..5, 9..Inf].

I have no objections to [EMAIL PROTECTED] returning a list of indexes, if that 
the definition. I do object to [EMAIL PROTECTED] meaning [EMAIL PROTECTED], 
which happens
to return a list of indexes for most arrays.


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