/usr/share/perl5/MooseX/AttributeHelpers/MethodProvider/ImmutableHash.pm is in libmoosex-attributehelpers-perl 0.23-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 | package MooseX::AttributeHelpers::MethodProvider::ImmutableHash;
use Moose::Role;
our $VERSION = '0.23';
$VERSION = eval $VERSION;
our $AUTHORITY = 'cpan:STEVAN';
sub exists : method {
my ($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) = @_;
return sub {
if ( @_ == 2 ) {
$reader->($_[0])->{$_[1]}
} else {
my ( $self, @keys ) = @_;
@{ $reader->($self) }{@keys}
}
};
}
sub keys : method {
my ($attr, $reader, $writer) = @_;
return sub { CORE::keys %{$reader->($_[0])} };
}
sub values : method {
my ($attr, $reader, $writer) = @_;
return sub { CORE::values %{$reader->($_[0])} };
}
sub kv : method {
my ($attr, $reader, $writer) = @_;
return sub {
my $h = $reader->($_[0]);
map {
[ $_, $h->{$_} ]
} 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->($_[0])} };
}
sub empty : method {
my ($attr, $reader, $writer) = @_;
return sub { scalar CORE::keys %{$reader->($_[0])} ? 1 : 0 };
}
1;
__END__
=pod
=head1 NAME
MooseX::AttributeHelpers::MethodProvider::ImmutableHash - method generator for MooseX::AttributeHelpers::Collection::ImmutableHash
=head1 DESCRIPTION
This is a role which provides the method generators for
L<MooseX::AttributeHelpers::Collection::ImmutableHash>.
=head1 METHODS
=over 4
=item B<meta>
=back
=head1 PROVIDED METHODS
=over 4
=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
exception. If you find a bug please either email me, or add the bug
to cpan-RT.
=head1 AUTHOR
Stevan Little E<lt>stevan@iinteractive.comE<gt>
=head1 COPYRIGHT AND LICENSE
Copyright 2007-2009 by Infinity Interactive, Inc.
L<http://www.iinteractive.com>
This library is free software; you can redistribute it and/or modify
it under the same terms as Perl itself.
=cut
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