#!/usr/bin/perl --
use strict;
use warnings;
use Data::Dump qw/ dd /;
dd( Zoo->new( qw/ Cobra / ), Zoo->new( qw/ Fox / ) );
dd( Zoo->diff( Zoo->new( qw/ Cobra / ), Zoo->new( qw/ Fox / ) ) );
dd( Zoo->diff( Zoo->new( qw/ Dog Fox Wolf / ), Zoo->new( qw/ Fox / ) )
+ );
Zoo->new( 'Jabbawockeez' );
BEGIN {
$INC{'Zoo.pm'} = __FILE__;
package Zoo;
my %catcatdog = (
Mammal => {
Bovine => ["Cow", "Bison"],
Canine => ["Dog", "Fox", "Wolf"],
Equine => ["Horse", "Zebra", "Pony"],
},
Reptile => {
Bird => ["Pigeon", "Canary", "Owl"],
Lizard => ["Salamander", "Chameleon"],
Snake => ["Python", "Cobra"],
},
);
my %dogcatcat; _dogcatcat();
sub _dogcatcat {
for my $cat ( keys %catcatdog ){
for my $catcat ( keys %{ $catcatdog{ $cat } } ){
for my $dog( @{ $catcatdog{$cat}{$catcat} } ){
push @{ $dogcatcat{$dog} }, $catcat, $cat, ;
}
}
}
}
#~ (
#~ Bison => ["Bovine", "Mammal"],
#~ Canary => ["Bird", "Reptile"],
#~ Chameleon => ["Lizard", "Reptile"],
#~ Cobra => ["Snake", "Reptile"],
#~ Cow => ["Bovine", "Mammal"],
#~ Dog => ["Canine", "Mammal"],
#~ Fox => ["Canine", "Mammal"],
#~ Horse => ["Equine", "Mammal"],
#~ Owl => ["Bird", "Reptile"],
#~ Pigeon => ["Bird", "Reptile"],
#~ Pony => ["Equine", "Mammal"],
#~ Python => ["Snake", "Reptile"],
#~ Salamander => ["Lizard", "Reptile"],
#~ Wolf => ["Canine", "Mammal"],
#~ Zebra => ["Equine", "Mammal"],
#~ );;
sub new {
my( $class, @muts ) = @_;
for my $mut ( @muts ){
die "what is a $mut?" if ! exists $dogcatcat{ $mut };
}
return bless \@muts, $class;
}
sub cat { $dogcatcat{$_[1]}->[0]; }
sub catcat { $dogcatcat{$_[1]}->[1]; }
sub Parent {
my( $class , $mut ) = @_;
return $dogcatcat{$mut}->[0];
}
sub get_leaves {
my( $self ) = @_;
return @{ $self };
}
sub diff {
my( $class, $got, $want) = @_;
my %have; undef @have{ @$got };
my @add = grep { !exists $have{$_} } @$want;
undef %have; undef @have{ @$want };
my @del = grep { !exists $have{$_} } @$got;
#~ \@add, \@del;
return
[ map {; [ $_, @{ $dogcatcat{$_} } ] } @add ],
[ map {; [ $_, @{ $dogcatcat{$_} } ] } @del ],
;;
}
1;
}
__END__
(bless(["Cobra"], "Zoo"), bless(["Fox"], "Zoo"))
(
[["Fox", "Canine", "Mammal"]],
[["Cobra", "Snake", "Reptile"]],
)
(
[],
[["Dog", "Canine", "Mammal"], ["Wolf", "Canine", "Mammal"]],
)
what is a Jabbawockeez? at - line 57.
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