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yanick/hashgregate.pl

Created August 1, 2015 14:36
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hashgregate.pl
use strict;
use warnings;
sub hashgregate(&@){
my $sub = shift;
my %agg;
push @{$agg{$sub->($_)}}, $_ for @_;
return wantarray ? %agg : \%agg;
}
my $first_divisors = hashgregate { my $i = 2; $i++ while $_ % $i; $i } 2..100;
use Data::Printer;
p $first_divisors;
@genehack
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genehack commented Aug 1, 2015

"Hashregate"?! You are a bad person.

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