"Mark J. Reed" <[EMAIL PROTECTED]> writes:
> On 2003-01-07 at 11:31:13, Mr. Nobody wrote:
>> .length is unneeded, since an array gives its length in numeric context, so
>> you can just say +@a.
> Unneeded, but harmless.
>
>> grep shouldn't be an array method either, it should be
>> like the perl5 grep, as it is often used on lists, "grep /foo/, keys %h" is
>> far more readable than "@{[keys %h]}.grep(/foo/)".
> Didn't we already have the left-to-right vs. right-to-left discussion?
> Regardless of how grep works when it's not invoked as a method, it
> most definitely should be invokable as one on arrays. It would probably
> be defined in a superclass rather than in Array itself, assuming Array
> is a specific subclass of a more general collection class
> (be it List or Collection or whatever), but that doesn't matter as long
> as you can call it on an array.
>
> Also, some of the line noise in your "unreadable" example comes from your
> mixing method syntax with other syntax. No need to do all that @{[keys %h]}
> stuff - it would just be %h.keys.grep(/foo/), which looks pretty darn readable
> to me.
Or, even
%h.grep(-> $pair {.key =~ /foo/})
depending on what you actually want (assuming that grep treats %h as a
list of pairs...)
