package Moose::Autobox::Hash;
use Moose::Role 'with';
-use Carp qw(croak);
-
-our $VERSION = '0.02';
+our $VERSION = '0.13';
with 'Moose::Autobox::Ref',
'Moose::Autobox::Indexed';
sub merge {
my ($left, $right) = @_;
- croak "You must pass a hashref as argument to merge"
+ Carp::confess "You must pass a hashref as argument to merge"
unless ref $right eq 'HASH';
return { %$left, %$right };
}
+sub hslice {
+ my ($hash, $keys) = @_;
+ return { map { $_ => $hash->{$_} } @$keys };
+}
+
+sub flatten {
+ return %{$_[0]}
+}
+
# ::Indexed implementation
sub at {
[ CORE::map { [ $_, $hash->{$_} ] } CORE::keys %$hash ];
}
+sub slice {
+ my ($hash, $keys) = @_;
+ return [ @{$hash}{@$keys} ];
+}
+
+sub each {
+ my ($hash, $sub) = @_;
+ for my $key (CORE::keys %$hash) {
+ $sub->($key, $hash->{$key});
+ }
+}
+
+sub each_key {
+ my ($hash, $sub) = @_;
+ $sub->($_) for CORE::keys %$hash;
+}
+
+sub each_value {
+ my ($hash, $sub) = @_;
+ $sub->($_) for CORE::values %$hash;
+}
+
+sub each_n_values {
+ my ($hash, $n, $sub) = @_;
+ my @keys = CORE::keys %$hash;
+ my $it = List::MoreUtils::natatime($n, @keys);
+
+ while (my @vals = $it->()) {
+ $sub->(@$hash{ @vals });
+ }
+
+ return;
+}
+
+
+# End Indexed
+
+sub print { CORE::print %{$_[0]} }
+sub say { CORE::print %{$_[0]}, "\n" }
+
1;
__END__
Takes a hashref and returns a new hashref with right precedence
shallow merging.
+=item B<hslice>
+
+Slices a hash but returns the keys and values as a new hashref.
+
+=item B<flatten>
+
=back
=head2 Indexed implementation
=item B<kv>
+=item B<slice>
+
+=item B<each>
+
+=item B<each_key>
+
+=item B<each_value>
+
+=item B<each_n_values>
+
=back
=over 4
=item B<meta>
+=item B<print>
+
+=item B<say>
+
=back
=head1 BUGS
Stevan Little E<lt>stevan@iinteractive.comE<gt>
-Anders Nor Berle E<lt>debolaz@gmail.comE<gt>
-
=head1 COPYRIGHT AND LICENSE
-Copyright 2006 by Infinity Interactive, Inc.
+Copyright 2006-2008 by Infinity Interactive, Inc.
L<http://www.iinteractive.com>