X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=lib%2FMoose%2FAutobox%2FHash.pm;h=2ec40e324b7082fa030538c09693059c77816d11;hb=a1f00ce9bc1114d8573e56079e46db8687a01602;hp=8000d29f0c1cc1de54b285e6652b660ed90d5aab;hpb=ea4e64bf393378b8e16896f6618a98fda24cb2fc;p=gitmo%2FMoose-Autobox.git

diff --git a/lib/Moose/Autobox/Hash.pm b/lib/Moose/Autobox/Hash.pm
index 8000d29..2ec40e3 100644
--- a/lib/Moose/Autobox/Hash.pm
+++ b/lib/Moose/Autobox/Hash.pm
@@ -1,9 +1,7 @@
 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';
@@ -15,11 +13,20 @@ sub delete {
 
 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 {
@@ -52,6 +59,43 @@ sub kv {
     [ 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" }
 
@@ -86,6 +130,12 @@ This is a role to describes a Hash value.
 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
@@ -104,6 +154,16 @@ shallow merging.
 
 =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