Commit | Line | Data |
3b46bd49 |
1 | package Mouse::Util::TypeConstraints; |
bc69ee88 |
2 | use Mouse::Util qw(does_role not_supported); # enables strict and warnings |
9baf5d6b |
3 | |
f5ee065f |
4 | use Carp qw(confess); |
b7d1f970 |
5 | use Scalar::Util (); |
6d28c5cf |
6 | |
684db121 |
7 | use Mouse::Meta::TypeConstraint; |
bc69ee88 |
8 | use Mouse::Exporter; |
9 | |
10 | Mouse::Exporter->setup_import_methods( |
11 | as_is => [qw( |
5d4810c1 |
12 | as where message optimize_as |
13 | from via |
ebe91068 |
14 | |
15 | type subtype class_type role_type duck_type |
16 | enum |
17 | coerce |
18 | |
bc69ee88 |
19 | find_type_constraint |
20 | )], |
139d92d2 |
21 | ); |
22 | |
cceb0e25 |
23 | my %TYPE; |
4188b837 |
24 | |
df448257 |
25 | # The root type |
26 | $TYPE{Any} = Mouse::Meta::TypeConstraint->new( |
27 | name => 'Any', |
28 | ); |
29 | |
30 | my @builtins = ( |
31 | # $name => $parent, $code, |
32 | |
33 | # the base type |
34 | Item => 'Any', undef, |
35 | |
36 | # the maybe[] type |
37 | Maybe => 'Item', undef, |
38 | |
39 | # value types |
40 | Undef => 'Item', \&Undef, |
41 | Defined => 'Item', \&Defined, |
42 | Bool => 'Item', \&Bool, |
43 | Value => 'Defined', \&Value, |
44 | Str => 'Value', \&Str, |
45 | Num => 'Str', \&Num, |
46 | Int => 'Num', \&Int, |
47 | |
48 | # ref types |
49 | Ref => 'Defined', \&Ref, |
50 | ScalarRef => 'Ref', \&ScalarRef, |
51 | ArrayRef => 'Ref', \&ArrayRef, |
52 | HashRef => 'Ref', \&HashRef, |
53 | CodeRef => 'Ref', \&CodeRef, |
54 | RegexpRef => 'Ref', \&RegexpRef, |
55 | GlobRef => 'Ref', \&GlobRef, |
56 | |
57 | # object types |
58 | FileHandle => 'GlobRef', \&FileHandle, |
59 | Object => 'Ref', \&Object, |
60 | |
61 | # special string types |
62 | ClassName => 'Str', \&ClassName, |
63 | RoleName => 'ClassName', \&RoleName, |
64 | ); |
65 | |
66 | |
67 | while (my ($name, $parent, $code) = splice @builtins, 0, 3) { |
68 | $TYPE{$name} = Mouse::Meta::TypeConstraint->new( |
69 | name => $name, |
70 | parent => $TYPE{$parent}, |
71 | optimized => $code, |
72 | ); |
73 | } |
74 | |
75 | # make it parametarizable |
76 | |
77 | $TYPE{Maybe} {constraint_generator} = \&_parameterize_Maybe_for; |
78 | $TYPE{ArrayRef}{constraint_generator} = \&_parameterize_ArrayRef_for; |
79 | $TYPE{HashRef} {constraint_generator} = \&_parameterize_HashRef_for; |
80 | |
81 | # sugars |
82 | |
ddbad0b1 |
83 | sub as ($) { (as => $_[0]) } |
84 | sub where (&) { (where => $_[0]) } |
85 | sub message (&) { (message => $_[0]) } |
5d4810c1 |
86 | sub optimize_as (&) { (optimize_as => $_[0]) } |
61a02a3a |
87 | |
73766a27 |
88 | sub from { @_ } |
cd2b9201 |
89 | sub via (&) { $_[0] } |
61a02a3a |
90 | |
df448257 |
91 | # type utilities |
993e62a7 |
92 | |
df448257 |
93 | sub optimized_constraints { # DEPRECATED |
94 | Carp::cluck('optimized_constraints() has been deprecated'); |
95 | return \%TYPE; |
96 | } |
d3982c7e |
97 | |
df448257 |
98 | undef @builtins; # free the allocated memory |
99 | @builtins = keys %TYPE; # reuse it |
100 | sub list_all_builtin_type_constraints { @builtins } |
d4571def |
101 | |
df448257 |
102 | sub list_all_type_constraints { keys %TYPE } |
993e62a7 |
103 | |
f5ee065f |
104 | sub _create_type{ |
105 | my $mode = shift; |
106 | |
73766a27 |
107 | my $name; |
f5ee065f |
108 | my %args; |
73766a27 |
109 | |
f5ee065f |
110 | if(@_ == 1 && ref $_[0]){ # @_ : { name => $name, where => ... } |
111 | %args = %{$_[0]}; |
73766a27 |
112 | } |
f5ee065f |
113 | elsif(@_ == 2 && ref $_[1]){ # @_ : $name => { where => ... } |
73766a27 |
114 | $name = $_[0]; |
f5ee065f |
115 | %args = %{$_[1]}; |
73766a27 |
116 | } |
f5ee065f |
117 | elsif(@_ % 2){ # @_ : $name => ( where => ... ) |
118 | ($name, %args) = @_; |
73766a27 |
119 | } |
f5ee065f |
120 | else{ # @_ : (name => $name, where => ...) |
121 | %args = @_; |
73766a27 |
122 | } |
123 | |
f5ee065f |
124 | if(!defined $name){ |
4f24c598 |
125 | $name = $args{name}; |
cd2b9201 |
126 | } |
d4571def |
127 | |
f5ee065f |
128 | $args{name} = $name; |
b8434acc |
129 | my $parent; |
130 | if($mode eq 'subtype'){ |
131 | $parent = delete $args{as}; |
132 | if(!$parent){ |
133 | $parent = delete $args{name}; |
4f24c598 |
134 | $name = undef; |
b8434acc |
135 | } |
136 | } |
7dbebb1b |
137 | |
4f24c598 |
138 | if(defined $name){ |
df448257 |
139 | # set 'package_defined_in' only if it is not a core package |
140 | my $this = $args{package_defined_in}; |
141 | if(!$this){ |
142 | $this = caller(1); |
143 | if($this !~ /\A Mouse \b/xms){ |
144 | $args{package_defined_in} = $this; |
145 | } |
146 | } |
147 | |
148 | if($TYPE{$name}){ |
149 | my $that = $TYPE{$name}->{package_defined_in} || __PACKAGE__; |
150 | ($this eq $that) or confess( |
151 | "The type constraint '$name' has already been created in $that and cannot be created again in $this" |
152 | ); |
4f24c598 |
153 | } |
154 | } |
155 | else{ |
156 | $args{name} = '__ANON__'; |
f5ee065f |
157 | } |
d4571def |
158 | |
b8434acc |
159 | $args{constraint} = delete $args{where} if exists $args{where}; |
24410e3a |
160 | $args{optimized} = delete $args{optimized_as} if exists $args{optimized_as}; |
0d9fea22 |
161 | |
f5ee065f |
162 | my $constraint; |
163 | if($mode eq 'subtype'){ |
24410e3a |
164 | $constraint = find_or_create_isa_type_constraint($parent)->create_child_type(%args); |
7a50b450 |
165 | } |
166 | else{ |
f5ee065f |
167 | $constraint = Mouse::Meta::TypeConstraint->new(%args); |
73766a27 |
168 | } |
7dbebb1b |
169 | |
4f24c598 |
170 | if(defined $name){ |
171 | return $TYPE{$name} = $constraint; |
172 | } |
173 | else{ |
174 | return $constraint; |
175 | } |
f5ee065f |
176 | } |
7dbebb1b |
177 | |
f5ee065f |
178 | sub type { |
179 | return _create_type('type', @_); |
180 | } |
d4571def |
181 | |
f5ee065f |
182 | sub subtype { |
183 | return _create_type('subtype', @_); |
4188b837 |
184 | } |
185 | |
139d92d2 |
186 | sub coerce { |
ffbbf459 |
187 | my $type_name = shift; |
61a02a3a |
188 | |
ffbbf459 |
189 | my $type = find_type_constraint($type_name) |
190 | or confess("Cannot find type '$type_name', perhaps you forgot to load it."); |
61a02a3a |
191 | |
ffbbf459 |
192 | $type->_add_type_coercions(@_); |
cd2b9201 |
193 | return; |
4188b837 |
194 | } |
195 | |
139d92d2 |
196 | sub class_type { |
337e3b0c |
197 | my($name, $options) = @_; |
198 | my $class = $options->{class} || $name; |
df448257 |
199 | |
200 | # ClassType |
337e3b0c |
201 | return _create_type 'subtype', $name => ( |
ddbad0b1 |
202 | as => 'Object', |
e3540312 |
203 | optimized_as => Mouse::Util::generate_isa_predicate_for($class), |
337e3b0c |
204 | ); |
ecc6e3b1 |
205 | } |
206 | |
139d92d2 |
207 | sub role_type { |
337e3b0c |
208 | my($name, $options) = @_; |
209 | my $role = $options->{role} || $name; |
df448257 |
210 | |
211 | # RoleType |
337e3b0c |
212 | return _create_type 'subtype', $name => ( |
1d5ecd5f |
213 | as => 'Object', |
b7d1f970 |
214 | optimized_as => sub { Scalar::Util::blessed($_[0]) && does_role($_[0], $role) }, |
61a02a3a |
215 | ); |
47f36c05 |
216 | } |
217 | |
ebe91068 |
218 | sub duck_type { |
219 | my($name, @methods); |
220 | |
221 | if(!(@_ == 1 && ref($_[0]) eq 'ARRAY')){ |
222 | $name = shift; |
223 | } |
224 | |
225 | @methods = (@_ == 1 && ref($_[0]) eq 'ARRAY') ? @{$_[0]} : @_; |
226 | |
df448257 |
227 | # DuckType |
ebe91068 |
228 | return _create_type 'type', $name => ( |
229 | optimized_as => Mouse::Util::generate_can_predicate_for(\@methods), |
ebe91068 |
230 | ); |
231 | } |
232 | |
d44f0d03 |
233 | sub enum { |
f5ee065f |
234 | my($name, %valid); |
235 | |
f152b099 |
236 | if(!(@_ == 1 && ref($_[0]) eq 'ARRAY')){ |
237 | $name = shift; |
f5ee065f |
238 | } |
f152b099 |
239 | |
240 | %valid = map{ $_ => undef } (@_ == 1 && ref($_[0]) eq 'ARRAY' ? @{$_[0]} : @_); |
241 | |
df448257 |
242 | # EnumType |
f5ee065f |
243 | return _create_type 'type', $name => ( |
244 | optimized_as => sub{ defined($_[0]) && !ref($_[0]) && exists $valid{$_[0]} }, |
f5ee065f |
245 | ); |
246 | } |
247 | |
248 | sub _find_or_create_regular_type{ |
249 | my($spec) = @_; |
250 | |
251 | return $TYPE{$spec} if exists $TYPE{$spec}; |
01904723 |
252 | |
337e3b0c |
253 | my $meta = Mouse::Util::get_metaclass_by_name($spec) |
254 | or return undef; |
01904723 |
255 | |
f48920c1 |
256 | if(Mouse::Util::is_a_metarole($meta)){ |
1d5ecd5f |
257 | return role_type($spec); |
f5ee065f |
258 | } |
259 | else{ |
1d5ecd5f |
260 | return class_type($spec); |
f5ee065f |
261 | } |
d44f0d03 |
262 | } |
263 | |
f5ee065f |
264 | sub _find_or_create_parameterized_type{ |
265 | my($base, $param) = @_; |
266 | |
267 | my $name = sprintf '%s[%s]', $base->name, $param->name; |
268 | |
b4d791ba |
269 | $TYPE{$name} ||= $base->parameterize($param, $name); |
f5ee065f |
270 | } |
b4d791ba |
271 | |
f5ee065f |
272 | sub _find_or_create_union_type{ |
a2f1294a |
273 | my @types = sort map{ $_->{type_constraints} ? @{$_->{type_constraints}} : $_ } @_; |
f5ee065f |
274 | |
30b28db3 |
275 | my $name = join '|', @types; |
f5ee065f |
276 | |
df448257 |
277 | # UnionType |
b4d791ba |
278 | $TYPE{$name} ||= Mouse::Meta::TypeConstraint->new( |
279 | name => $name, |
280 | type_constraints => \@types, |
b4d791ba |
281 | ); |
f5ee065f |
282 | } |
283 | |
284 | # The type parser |
285 | sub _parse_type{ |
286 | my($spec, $start) = @_; |
287 | |
288 | my @list; |
289 | my $subtype; |
290 | |
291 | my $len = length $spec; |
292 | my $i; |
293 | |
294 | for($i = $start; $i < $len; $i++){ |
295 | my $char = substr($spec, $i, 1); |
296 | |
297 | if($char eq '['){ |
57f0e313 |
298 | my $base = _find_or_create_regular_type( substr($spec, $start, $i - $start) ) |
f5ee065f |
299 | or return; |
300 | |
301 | ($i, $subtype) = _parse_type($spec, $i+1) |
302 | or return; |
303 | $start = $i+1; # reset |
304 | |
305 | push @list, _find_or_create_parameterized_type($base => $subtype); |
321e5271 |
306 | } |
f5ee065f |
307 | elsif($char eq ']'){ |
308 | $len = $i+1; |
309 | last; |
321e5271 |
310 | } |
f5ee065f |
311 | elsif($char eq '|'){ |
57f0e313 |
312 | my $type = _find_or_create_regular_type( substr($spec, $start, $i - $start) ); |
313 | |
57f0e313 |
314 | if(!defined $type){ |
3b89ea91 |
315 | # XXX: Mouse creates a new class type, but Moose does not. |
316 | $type = class_type( substr($spec, $start, $i - $start) ); |
57f0e313 |
317 | } |
f5ee065f |
318 | |
319 | push @list, $type; |
320 | |
321 | ($i, $subtype) = _parse_type($spec, $i+1) |
322 | or return; |
323 | |
324 | $start = $i+1; # reset |
325 | |
326 | push @list, $subtype; |
321e5271 |
327 | } |
328 | } |
f5ee065f |
329 | if($i - $start){ |
29376895 |
330 | my $type = _find_or_create_regular_type( substr $spec, $start, $i - $start ); |
331 | |
332 | if(defined $type){ |
333 | push @list, $type; |
334 | } |
335 | elsif($start != 0) { |
336 | # RT #50421 |
337 | # create a new class type |
338 | push @list, class_type( substr $spec, $start, $i - $start ); |
339 | } |
f5ee065f |
340 | } |
321e5271 |
341 | |
f5ee065f |
342 | if(@list == 0){ |
343 | return; |
344 | } |
345 | elsif(@list == 1){ |
346 | return ($len, $list[0]); |
993e62a7 |
347 | } |
348 | else{ |
f5ee065f |
349 | return ($len, _find_or_create_union_type(@list)); |
993e62a7 |
350 | } |
321e5271 |
351 | } |
352 | |
f5ee065f |
353 | |
354 | sub find_type_constraint { |
355 | my($spec) = @_; |
f48920c1 |
356 | return $spec if Mouse::Util::is_a_type_constraint($spec); |
df448257 |
357 | return undef if !defined $spec; |
f5ee065f |
358 | |
359 | $spec =~ s/\s+//g; |
360 | return $TYPE{$spec}; |
2efc0af1 |
361 | } |
362 | |
f5ee065f |
363 | sub find_or_parse_type_constraint { |
364 | my($spec) = @_; |
f48920c1 |
365 | return $spec if Mouse::Util::is_a_type_constraint($spec); |
df448257 |
366 | return undef if !defined $spec; |
9c85e9dc |
367 | |
f5ee065f |
368 | $spec =~ s/\s+//g; |
369 | return $TYPE{$spec} || do{ |
370 | my($pos, $type) = _parse_type($spec, 0); |
371 | $type; |
372 | }; |
373 | } |
321e5271 |
374 | |
f5ee065f |
375 | sub find_or_create_does_type_constraint{ |
ddbad0b1 |
376 | # XXX: Moose does not register a new role_type, but Mouse does. |
bddbe49f |
377 | return find_or_parse_type_constraint(@_) || role_type(@_); |
f5ee065f |
378 | } |
379 | |
380 | sub find_or_create_isa_type_constraint { |
ddbad0b1 |
381 | # XXX: Moose does not register a new class_type, but Mouse does. |
f5ee065f |
382 | return find_or_parse_type_constraint(@_) || class_type(@_); |
321e5271 |
383 | } |
384 | |
d60c78b9 |
385 | 1; |
6feb83f1 |
386 | __END__ |
387 | |
388 | =head1 NAME |
389 | |
5893ee36 |
390 | Mouse::Util::TypeConstraints - Type constraint system for Mouse |
391 | |
a25ca8d6 |
392 | =head1 VERSION |
393 | |
80680661 |
394 | This document describes Mouse version 0.50_07 |
a25ca8d6 |
395 | |
5893ee36 |
396 | =head2 SYNOPSIS |
397 | |
398 | use Mouse::Util::TypeConstraints; |
399 | |
400 | subtype 'Natural' |
401 | => as 'Int' |
402 | => where { $_ > 0 }; |
403 | |
404 | subtype 'NaturalLessThanTen' |
405 | => as 'Natural' |
406 | => where { $_ < 10 } |
407 | => message { "This number ($_) is not less than ten!" }; |
408 | |
409 | coerce 'Num' |
410 | => from 'Str' |
411 | => via { 0+$_ }; |
412 | |
413 | enum 'RGBColors' => qw(red green blue); |
414 | |
415 | no Mouse::Util::TypeConstraints; |
416 | |
417 | =head1 DESCRIPTION |
418 | |
419 | This module provides Mouse with the ability to create custom type |
420 | constraints to be used in attribute definition. |
421 | |
422 | =head2 Important Caveat |
423 | |
424 | This is B<NOT> a type system for Perl 5. These are type constraints, |
425 | and they are not used by Mouse unless you tell it to. No type |
426 | inference is performed, expressions are not typed, etc. etc. etc. |
427 | |
428 | A type constraint is at heart a small "check if a value is valid" |
429 | function. A constraint can be associated with an attribute. This |
430 | simplifies parameter validation, and makes your code clearer to read, |
431 | because you can refer to constraints by name. |
432 | |
433 | =head2 Slightly Less Important Caveat |
434 | |
435 | It is B<always> a good idea to quote your type names. |
436 | |
437 | This prevents Perl from trying to execute the call as an indirect |
438 | object call. This can be an issue when you have a subtype with the |
439 | same name as a valid class. |
440 | |
441 | For instance: |
442 | |
443 | subtype DateTime => as Object => where { $_->isa('DateTime') }; |
444 | |
445 | will I<just work>, while this: |
446 | |
447 | use DateTime; |
448 | subtype DateTime => as Object => where { $_->isa('DateTime') }; |
449 | |
450 | will fail silently and cause many headaches. The simple way to solve |
451 | this, as well as future proof your subtypes from classes which have |
452 | yet to have been created, is to quote the type name: |
453 | |
454 | use DateTime; |
455 | subtype 'DateTime' => as 'Object' => where { $_->isa('DateTime') }; |
456 | |
457 | =head2 Default Type Constraints |
458 | |
459 | This module also provides a simple hierarchy for Perl 5 types, here is |
460 | that hierarchy represented visually. |
461 | |
dba2e142 |
462 | Any |
5893ee36 |
463 | Item |
464 | Bool |
465 | Maybe[`a] |
466 | Undef |
467 | Defined |
468 | Value |
5893ee36 |
469 | Str |
dba2e142 |
470 | Num |
471 | Int |
472 | ClassName |
473 | RoleName |
5893ee36 |
474 | Ref |
475 | ScalarRef |
476 | ArrayRef[`a] |
477 | HashRef[`a] |
478 | CodeRef |
479 | RegexpRef |
480 | GlobRef |
dba2e142 |
481 | FileHandle |
5893ee36 |
482 | Object |
5893ee36 |
483 | |
484 | B<NOTE:> Any type followed by a type parameter C<[`a]> can be |
485 | parameterized, this means you can say: |
486 | |
487 | ArrayRef[Int] # an array of integers |
488 | HashRef[CodeRef] # a hash of str to CODE ref mappings |
489 | Maybe[Str] # value may be a string, may be undefined |
490 | |
491 | If Mouse finds a name in brackets that it does not recognize as an |
492 | existing type, it assumes that this is a class name, for example |
493 | C<ArrayRef[DateTime]>. |
494 | |
495 | B<NOTE:> Unless you parameterize a type, then it is invalid to include |
496 | the square brackets. I.e. C<ArrayRef[]> will be treated as a new type |
497 | name, I<not> as a parameterization of C<ArrayRef>. |
498 | |
499 | B<NOTE:> The C<Undef> type constraint for the most part works |
500 | correctly now, but edge cases may still exist, please use it |
501 | sparingly. |
502 | |
503 | B<NOTE:> The C<ClassName> type constraint does a complex package |
504 | existence check. This means that your class B<must> be loaded for this |
505 | type constraint to pass. |
506 | |
507 | B<NOTE:> The C<RoleName> constraint checks a string is a I<package |
508 | name> which is a role, like C<'MyApp::Role::Comparable'>. The C<Role> |
509 | constraint checks that an I<object does> the named role. |
510 | |
511 | =head2 Type Constraint Naming |
512 | |
513 | Type name declared via this module can only contain alphanumeric |
514 | characters, colons (:), and periods (.). |
515 | |
516 | Since the types created by this module are global, it is suggested |
517 | that you namespace your types just as you would namespace your |
518 | modules. So instead of creating a I<Color> type for your |
519 | B<My::Graphics> module, you would call the type |
520 | I<My::Graphics::Types::Color> instead. |
521 | |
522 | =head2 Use with Other Constraint Modules |
523 | |
524 | This module can play nicely with other constraint modules with some |
525 | slight tweaking. The C<where> clause in types is expected to be a |
526 | C<CODE> reference which checks it's first argument and returns a |
527 | boolean. Since most constraint modules work in a similar way, it |
528 | should be simple to adapt them to work with Mouse. |
529 | |
530 | For instance, this is how you could use it with |
531 | L<Declare::Constraints::Simple> to declare a completely new type. |
532 | |
533 | type 'HashOfArrayOfObjects', |
534 | { |
535 | where => IsHashRef( |
536 | -keys => HasLength, |
537 | -values => IsArrayRef(IsObject) |
538 | ) |
539 | }; |
540 | |
541 | Here is an example of using L<Test::Deep> and it's non-test |
542 | related C<eq_deeply> function. |
543 | |
544 | type 'ArrayOfHashOfBarsAndRandomNumbers' |
545 | => where { |
546 | eq_deeply($_, |
547 | array_each(subhashof({ |
548 | bar => isa('Bar'), |
549 | random_number => ignore() |
550 | }))) |
551 | }; |
6feb83f1 |
552 | |
553 | =head1 METHODS |
554 | |
24410e3a |
555 | =head2 C<< list_all_builtin_type_constraints -> (Names) >> |
6feb83f1 |
556 | |
24410e3a |
557 | Returns the names of builtin type constraints. |
558 | |
559 | =head2 C<< list_all_type_constraints -> (Names) >> |
560 | |
561 | Returns the names of all the type constraints. |
6feb83f1 |
562 | |
c91d12e0 |
563 | =head1 FUNCTIONS |
564 | |
565 | =over 4 |
566 | |
c9cc6884 |
567 | =item C<< type $name => where { } ... -> Mouse::Meta::TypeConstraint >> |
c91d12e0 |
568 | |
c9cc6884 |
569 | =item C<< subtype $name => as $parent => where { } ... -> Mouse::Meta::TypeConstraint >> |
570 | |
571 | =item C<< subtype as $parent => where { } ... -> Mouse::Meta::TypeConstraint >> |
c91d12e0 |
572 | |
1820fffe |
573 | =item C<< class_type ($class, ?$options) -> Mouse::Meta::TypeConstraint >> |
c91d12e0 |
574 | |
1820fffe |
575 | =item C<< role_type ($role, ?$options) -> Mouse::Meta::TypeConstraint >> |
c91d12e0 |
576 | |
c9cc6884 |
577 | =item C<< duck_type($name, @methods | \@methods) -> Mouse::Meta::TypeConstraint >> |
578 | |
579 | =item C<< duck_type(\@methods) -> Mouse::Meta::TypeConstraint >> |
580 | |
581 | =item C<< enum($name, @values | \@values) -> Mouse::Meta::TypeConstraint >> |
582 | |
1820fffe |
583 | =item C<< enum (\@values) -> Mouse::Meta::TypeConstraint >> |
584 | |
87f1f3d2 |
585 | =item C<< coerce $type => from $another_type, via { }, ... >> |
586 | |
1820fffe |
587 | =back |
588 | |
589 | =over 4 |
590 | |
591 | =item C<< find_type_constraint(Type) -> Mouse::Meta::TypeConstraint >> |
c91d12e0 |
592 | |
593 | =back |
594 | |
5893ee36 |
595 | =head1 THANKS |
596 | |
1820fffe |
597 | Much of this documentation was taken from C<Moose::Util::TypeConstraints> |
598 | |
599 | =head1 SEE ALSO |
600 | |
601 | L<Moose::Util::TypeConstraints> |
5893ee36 |
602 | |
6feb83f1 |
603 | =cut |
604 | |
605 | |