Re: RFC 124 (v1) Sort order for any hash
[email protected] ("David L. Nicol")
| Newsgroups | perl.perl6.language.objects |
|---|---|
| Organization | University of Missouri - Kansas City supercomputing infrastructure |
| Message-ID | <[email protected]> |
And not only is it less to write, as a programmer, but you can
abstract a general "sort these records by GPA" routine and
everything can use the same one, fewer memory pages to dirty.
Damian Conway wrote:
>
> > > my %students : sorted( $ME{^1}{GPA} <=> $ME{^0}{GPA} );
> > >
> > Yes, I was thinking the same thing. Except the '$ME' thing--what's that? (I
> > must have missed that discussion...)
>
> It's an idea that within a method call, the object reference would
> not be passed as the first argument (or maybe, not *just* as the
> first argument), but in a variable named $ME. I was pushing that
> envelope a little.
>
> > What's wrong with @_?
>
> We're trying to sort like this:
>
> sort $student{^1}{GPA} <=> $student{^0}{GPA} ), keys %student;
>
> Within the %student's internals, %student is %ME :-)
>
> Damian
--
David Nicol 816.235.1187 [email protected]
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