implement flatten

[gitmo/Moose-Autobox.git] / lib / Moose / Autobox / Hash.pm

diff --git a/lib/Moose/Autobox/Hash.pm b/lib/Moose/Autobox/Hash.pm
index 0bcb420..de8f2bb 100644 (file)
--- a/lib/Moose/Autobox/Hash.pm
+++ b/lib/Moose/Autobox/Hash.pm
@@ -1,8 +1,6 @@
 package Moose::Autobox::Hash;
 use Moose::Role 'with';
 
-use Carp qw(croak);
-
 our $VERSION = '0.03';
 
 with 'Moose::Autobox::Ref',
@@ -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 {
@@ -91,6 +98,12 @@ 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