package MooseX::AttributeHelpers::MethodProvider::ImmutableHash;
use Moose::Role;
-our $VERSION = '0.11';
+our $VERSION = '0.23';
+$VERSION = eval $VERSION;
our $AUTHORITY = 'cpan:STEVAN';
sub exists : method {
- my ($attr, $reader, $writer) = @_;
+ my ($attr, $reader, $writer) = @_;
return sub { CORE::exists $reader->($_[0])->{$_[1]} ? 1 : 0 };
-}
+}
+
+sub defined : method {
+ my ($attr, $reader, $writer) = @_;
+ return sub { CORE::defined $reader->($_[0])->{$_[1]} ? 1 : 0 };
+}
sub get : method {
- my ($attr, $reader, $writer) = @_;
+ my ($attr, $reader, $writer) = @_;
return sub {
if ( @_ == 2 ) {
$reader->($_[0])->{$_[1]}
sub keys : method {
my ($attr, $reader, $writer) = @_;
- return sub { CORE::keys %{$reader->($_[0])} };
+ return sub { CORE::keys %{$reader->($_[0])} };
}
-
+
sub values : method {
my ($attr, $reader, $writer) = @_;
- return sub { CORE::values %{$reader->($_[0])} };
-}
+ return sub { CORE::values %{$reader->($_[0])} };
+}
sub kv : method {
my ($attr, $reader, $writer) = @_;
- return sub {
+ return sub {
my $h = $reader->($_[0]);
map {
[ $_, $h->{$_} ]
- } CORE::keys %{$h}
- };
+ } CORE::keys %{$h}
+ };
+}
+
+sub elements : method {
+ my ($attr, $reader, $writer) = @_;
+ return sub {
+ my $h = $reader->($_[0]);
+ map {
+ $_, $h->{$_}
+ } CORE::keys %{$h}
+ };
}
-
+
sub count : method {
my ($attr, $reader, $writer) = @_;
- return sub { scalar CORE::keys %{$reader->($_[0])} };
+ return sub { scalar CORE::keys %{$reader->($_[0])} };
}
sub empty : method {
my ($attr, $reader, $writer) = @_;
- return sub { scalar CORE::keys %{$reader->($_[0])} ? 1 : 0 };
+ return sub { scalar CORE::keys %{$reader->($_[0])} ? 1 : 0 };
}
1;
=head1 NAME
MooseX::AttributeHelpers::MethodProvider::ImmutableHash
-
+
=head1 DESCRIPTION
-This is a role which provides the method generators for
+This is a role which provides the method generators for
L<MooseX::AttributeHelpers::Collection::ImmutableHash>.
=head1 METHODS
=item B<count>
+Returns the number of elements in the list.
+
=item B<empty>
+If the list is populated, returns true. Otherwise, returns false.
+
=item B<exists>
+Returns true if the given key is present in the hash
+
+=item B<defined>
+
+Returns true if the value of a given key is defined
+
=item B<get>
+Returns an element of the hash by its key.
+
=item B<keys>
+Returns the list of keys in the hash.
+
=item B<values>
+Returns the list of values in the hash.
+
=item B<kv>
+Returns the key, value pairs in the hash as array references
+
+=item B<elements>
+
+Returns the key, value pairs in the hash as a flattened list
+
=back
=head1 BUGS
-All complex software has bugs lurking in it, and this module is no
+All complex software has bugs lurking in it, and this module is no
exception. If you find a bug please either email me, or add the bug
to cpan-RT.
=head1 COPYRIGHT AND LICENSE
-Copyright 2007-2008 by Infinity Interactive, Inc.
+Copyright 2007-2009 by Infinity Interactive, Inc.
L<http://www.iinteractive.com>