Re^3: can i rename hashref keys?

Given that delete can delete a slice, this can be simplified:

my %map = (...);
@$h{values %map} = delete @$h{keys %map};
[download]

Update: note that this doesn't break on %map = (foo => 'bar', bar => 'foo') that the solutions above may do.

lodin

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Re^4: can i rename hashref keys? (...simplified) by tye (Sage) on Nov 29, 2007 at 17:42 UTC
Given that initializing the hash just requires you list a bunch of keys and values, this can be simplified: `@{$h}{qw/ month year day first_name /}= delete # New keys @{$h}{qw/ mm yyyy dd name /}; # Old keys` [download] Yeah, I added some extra braces. - tye	[reply] [d/l]