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

package Moose::Autobox::Array;
use Moose::Role 'with';
use Perl6::Junction;
use Moose::Autobox;

our $VERSION = '0.03';

with 'Moose::Autobox::Ref',
     'Moose::Autobox::List',
     'Moose::Autobox::Indexed';
    
## Array Interface

sub pop { 
    my ($array) = @_;    
    CORE::pop @$array; 
}

sub push { 
    my ($array, @rest) = @_;
    CORE::push @$array, @rest;  
    $array; 
}

sub unshift { 
    my ($array, @rest) = @_;    
    CORE::unshift @$array, @rest; 
    $array; 
}

sub delete { 
    my ($array, $index) = @_;    
    CORE::delete $array->[$index];
}

sub shift { 
    my ($array) = @_;    
    CORE::shift @$array; 
}    

sub slice {
    my ($array, $indicies) = @_;
    [ @{$array}[ @{$indicies} ] ];
} 

# NOTE: 
# sprintf args need to be reversed, 
# because the invocant is the array
sub sprintf { CORE::sprintf $_[1], @{$_[0]} }

## ::List interface implementation

sub head { $_[0]->[0] }
sub tail { [ @{$_[0]}[ 1 .. $#{$_[0]} ] ] }
 
sub length {
    my ($array) = @_;
    CORE::scalar @$array;
}

sub grep { 
    my ($array, $sub) = @_; 
    [ CORE::grep { $sub->($_) } @$array ]; 
}

sub map { 
    my ($array, $sub) = @_; 
    [ CORE::map { $sub->($_) } @$array ]; 
}

sub join { 
    my ($array, $sep) = @_;    
    $sep ||= ''; 
    CORE::join $sep, @$array; 
}

sub reverse { 
    my ($array) = @_;
    [ CORE::reverse @$array ];
}

sub sort { 
    my ($array, $sub) = @_;     
    $sub ||= sub { $a cmp $b }; 
    [ CORE::sort { $sub->($a, $b) } @$array ]; 
}    

## ::Indexed implementation

sub at {
    my ($array, $index) = @_;
    $array->[$index];
} 

sub put {
    my ($array, $index, $value) = @_;
    $array->[$index] = $value;
}

sub exists {
    my ($array, $index) = @_;    
    CORE::exists $array->[$index];    
}

sub keys { 
    my ($array) = @_;    
    [ 0 .. $#{$array} ];
}

sub values { 
    my ($array) = @_;    
    [ @$array ];
}

sub kv {
    my ($array) = @_;   
    $array->keys->map(sub { [ $_, $array->[$_] ] });
}

## Junctions

sub all {
    my ($array) = @_;     
    return Perl6::Junction::All->all(@$array);
}

sub any {
    my ($array) = @_;     
    return Perl6::Junction::Any->any(@$array);
}

sub none {
    my ($array) = @_;     
    return Perl6::Junction::None->none(@$array);
}

sub one {
    my ($array) = @_; 
    return Perl6::Junction::One->one(@$array);
}

## Print

sub print { CORE::print @{$_[0]} }
sub say   { CORE::print @{$_[0]}, "\n" }

1;

__END__

=pod

=head1 NAME 

Moose::Autobox::Array - the Array role

=head1 SYNOPOSIS

  use Moose::Autobox;
    
  [ 1..5 ]->isa('ARRAY'); # true
  [ a..z ]->does('Moose::Autobox::Array'); # true
  [ 0..2 ]->does('Moose::Autobox::List'); # true  
    
  print "Squares: " . [ 1 .. 10 ]->map(sub { $_ * $_ })->join(', ');
  
  print [ 1, 'number' ]->sprintf('%d is the loneliest %s');
  
  print ([ 1 .. 5 ]->any == 3) ? 'true' : 'false'; # prints 'true'

=head1 DESCRIPTION

This is a role to describe operations on the Array type. 

=head1 METHODS

=over 4

=item B<pop>

=item B<push ($value)>

=item B<shift>

=item B<unshift ($value)>

=item B<delete ($index)>

=item B<sprintf ($format_string)>

=item B<slice (@indices)>

=back

=head2 Indexed implementation

=over 4

=item B<at ($index)>

=item B<put ($index, $value)>

=item B<exists ($index)>

=item B<keys>

=item B<values>

=item B<kv>

=back

=head2 List implementation

=over 4

=item B<head>

=item B<tail>

=item B<join (?$seperator)>

=item B<length>

=item B<map (\&block)>

=item B<grep (\&block)>

=item B<reverse>

=item B<sort (?\&block)>

=back

=head2 Junctions

=over 4

=item B<all>

=item B<any>

=item B<none>

=item B<one>

=back

=over 4

=item B<meta>

=item B<print>

=item B<say>

=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 2006-2008 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
Commit	Line	Data
5f654d8e	1	package Moose::Autobox::Array;
5f654d8e	2	use Moose::Role 'with';
7fc99864	3	use Perl6::Junction;
7dad2765	4	use Moose::Autobox;
5f654d8e	5
7dad2765	6	our $VERSION = '0.03';
5f654d8e	7
e6bb88b0	8	with 'Moose::Autobox::Ref',
31d40d73	9	'Moose::Autobox::List',
31d40d73	10	'Moose::Autobox::Indexed';
6cf5bcf2	11
	12	## Array Interface
	13
	14	sub pop {
	15	my ($array) = @_;
	16	CORE::pop @$array;
	17	}
	18
	19	sub push {
	20	my ($array, @rest) = @_;
	21	CORE::push @$array, @rest;
	22	$array;
	23	}
	24
	25	sub unshift {
	26	my ($array, @rest) = @_;
	27	CORE::unshift @$array, @rest;
	28	$array;
	29	}
5f654d8e	30
6cf5bcf2	31	sub delete {
	32	my ($array, $index) = @_;
	33	CORE::delete $array->[$index];
	34	}
	35
	36	sub shift {
	37	my ($array) = @_;
	38	CORE::shift @$array;
c11e6a74	39	}
	40
	41	sub slice {
	42	my ($array, $indicies) = @_;
	43	[ @{$array}[ @{$indicies} ] ];
	44	}
6cf5bcf2	45
	46	# NOTE:
	47	# sprintf args need to be reversed,
	48	# because the invocant is the array
	49	sub sprintf { CORE::sprintf $_[1], @{$_[0]} }
	50
	51	## ::List interface implementation
	52
	53	sub head { $_[0]->[0] }
	54	sub tail { [ @{$_[0]}[ 1 .. $#{$_[0]} ] ] }
e6bb88b0	55
5f654d8e	56	sub length {
	57	my ($array) = @_;
	58	CORE::scalar @$array;
	59	}
	60
	61	sub grep {
	62	my ($array, $sub) = @_;
	63	[ CORE::grep { $sub->($_) } @$array ];
	64	}
	65
	66	sub map {
	67	my ($array, $sub) = @_;
	68	[ CORE::map { $sub->($_) } @$array ];
	69	}
	70
	71	sub join {
feffe00c	72	my ($array, $sep) = @_;
feffe00c	73	$sep \|\|= '';
5f654d8e	74	CORE::join $sep, @$array;
	75	}
	76
	77	sub reverse {
	78	my ($array) = @_;
e6bb88b0	79	[ CORE::reverse @$array ];
5f654d8e	80	}
	81
	82	sub sort {
	83	my ($array, $sub) = @_;
	84	$sub \|\|= sub { $a cmp $b };
	85	[ CORE::sort { $sub->($a, $b) } @$array ];
5dc78481	86	}
5dc78481	87
260cc81f	88	## ::Indexed implementation
5dc78481	89
260cc81f	90	sub at {
	91	my ($array, $index) = @_;
	92	$array->[$index];
	93	}
5dc78481	94
260cc81f	95	sub put {
	96	my ($array, $index, $value) = @_;
	97	$array->[$index] = $value;
	98	}
5dc78481	99
6cf5bcf2	100	sub exists {
	101	my ($array, $index) = @_;
	102	CORE::exists $array->[$index];
	103	}
5dc78481	104
	105	sub keys {
	106	my ($array) = @_;
	107	[ 0 .. $#{$array} ];
	108	}
	109
	110	sub values {
	111	my ($array) = @_;
	112	[ @$array ];
	113	}
	114
	115	sub kv {
	116	my ($array) = @_;
feffe00c	117	$array->keys->map(sub { [ $_, $array->[$_] ] });
5dc78481	118	}
e6bb88b0	119
7fc99864	120	## Junctions
	121
	122	sub all {
	123	my ($array) = @_;
	124	return Perl6::Junction::All->all(@$array);
	125	}
	126
	127	sub any {
	128	my ($array) = @_;
	129	return Perl6::Junction::Any->any(@$array);
	130	}
	131
	132	sub none {
	133	my ($array) = @_;
	134	return Perl6::Junction::None->none(@$array);
	135	}
	136
	137	sub one {
	138	my ($array) = @_;
	139	return Perl6::Junction::One->one(@$array);
	140	}
	141
3f4dd8b7	142	## Print
	143
	144	sub print { CORE::print @{$_[0]} }
	145	sub say { CORE::print @{$_[0]}, "\n" }
	146
5f654d8e	147	1;
31d40d73	148
	149	__END__
	150
	151	=pod
	152
	153	=head1 NAME
	154
	155	Moose::Autobox::Array - the Array role
	156
	157	=head1 SYNOPOSIS
	158
	159	use Moose::Autobox;
31d40d73	160
5272f13f	161	[ 1..5 ]->isa('ARRAY'); # true
	162	[ a..z ]->does('Moose::Autobox::Array'); # true
	163	[ 0..2 ]->does('Moose::Autobox::List'); # true
	164
31d40d73	165	print "Squares: " . [ 1 .. 10 ]->map(sub { $_ * $_ })->join(', ');
5272f13f	166
5272f13f	167	print [ 1, 'number' ]->sprintf('%d is the loneliest %s');
f6e003cc	168
f6e003cc	169	print ([ 1 .. 5 ]->any == 3) ? 'true' : 'false'; # prints 'true'
31d40d73	170
	171	=head1 DESCRIPTION
	172
8937074a	173	This is a role to describe operations on the Array type.
8937074a	174
260cc81f	175	=head1 METHODS
	176
	177	=over 4
	178
260cc81f	179	=item B<pop>
260cc81f	180
5272f13f	181	=item B<push ($value)>
260cc81f	182
	183	=item B<shift>
	184
5272f13f	185	=item B<unshift ($value)>
260cc81f	186
5272f13f	187	=item B<delete ($index)>
260cc81f	188
5272f13f	189	=item B<sprintf ($format_string)>
260cc81f	190
c11e6a74	191	=item B<slice (@indices)>
c11e6a74	192
260cc81f	193	=back
260cc81f	194
5272f13f	195	=head2 Indexed implementation
260cc81f	196
	197	=over 4
	198
5272f13f	199	=item B<at ($index)>
260cc81f	200
5272f13f	201	=item B<put ($index, $value)>
260cc81f	202
5272f13f	203	=item B<exists ($index)>
260cc81f	204
	205	=item B<keys>
	206
260cc81f	207	=item B<values>
260cc81f	208
5272f13f	209	=item B<kv>
5272f13f	210
260cc81f	211	=back
260cc81f	212
5272f13f	213	=head2 List implementation
260cc81f	214
	215	=over 4
	216
	217	=item B<head>
	218
	219	=item B<tail>
	220
5272f13f	221	=item B<join (?$seperator)>
260cc81f	222
	223	=item B<length>
	224
5272f13f	225	=item B<map (\&block)>
260cc81f	226
5272f13f	227	=item B<grep (\&block)>
260cc81f	228
	229	=item B<reverse>
	230
5272f13f	231	=item B<sort (?\&block)>
	232
	233	=back
	234
7fc99864	235	=head2 Junctions
	236
	237	=over 4
	238
	239	=item B<all>
	240
	241	=item B<any>
	242
	243	=item B<none>
	244
	245	=item B<one>
	246
	247	=back
	248
5272f13f	249	=over 4
	250
	251	=item B<meta>
260cc81f	252
3f4dd8b7	253	=item B<print>
	254
	255	=item B<say>
	256
260cc81f	257	=back
260cc81f	258
31d40d73	259	=head1 BUGS
	260
	261	All complex software has bugs lurking in it, and this module is no
	262	exception. If you find a bug please either email me, or add the bug
	263	to cpan-RT.
	264
	265	=head1 AUTHOR
	266
	267	Stevan Little E<lt>stevan@iinteractive.comE<gt>
	268
	269	=head1 COPYRIGHT AND LICENSE
	270
ea4e64bf	271	Copyright 2006-2008 by Infinity Interactive, Inc.
31d40d73	272
	273	L<http://www.iinteractive.com>
	274
	275	This library is free software; you can redistribute it and/or modify
	276	it under the same terms as Perl itself.
	277
f6e003cc	278	=cut