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Perl: the Markov chain saw

Re^2: Randomly reassign hash keys

by Anonymous Monk
on Apr 26, 2017 at 18:20 UTC ( #1188989=note: print w/replies, xml ) Need Help??

in reply to Re: Randomly reassign hash keys
in thread Randomly reassign hash keys

And, if you do that a lot, there's this alternative for your consideration:

sub inplace_shuffle { @_[keys @_] = shuffle @_ } inplace_shuffle (values %foo);

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Re^3: Randomly reassign hash keys
by AnomalousMonk (Chancellor) on Apr 26, 2017 at 22:45 UTC

    The functionality of keys operating on an array to return the indices of the array (see similarily values, each) was added with Perl version 5.12. The following will work with any Perl 5 version:
        sub inplace_shuffle { @_[ 0 .. $#_ ] = shuffle @_ }

    Give a man a fish:  <%-{-{-{-<

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