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Re^2: Shortcut operator for $a->{'b'}=$b if $b;

by radiantmatrix (Parson)
on Sep 20, 2005 at 17:35 UTC ( #493541=note: print w/ replies, xml ) Need Help??


in reply to Re: Shortcut operator for $a->{'b'}=$b if $b;
in thread Shortcut operator for $a->{'b'}=$b if $b;

A little less ugly audit:

for (keys %$a) { delete $a->{$_} unless $a->{$_} }

Note: that should probably be unless defined $a->{$_} so we don't remove false keys, but I made the choice to mirror the OP's syntax.

<-radiant.matrix->
Larry Wall is Yoda: there is no try{} (ok, except in Perl6; way to ruin a joke, Larry! ;P)
The Code that can be seen is not the true Code
"In any sufficiently large group of people, most are idiots" - Kaa's Law


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