Parse::Method::Signatures::Param.3pm

Langue: en

Version: 2009-05-01 (debian - 07/07/09)

Section: 3 (Bibliothèques de fonctions)

NAME

Parse::Method::Signatures::Param - a parsed parameter from a signature

ATTRIBUTES

All attributes of this class are read-only.

required

Is this parameter required (true) or optional (false)?

sigil

The effective sigil ('$', '@' or '%') of this parameter.

type_constraints

Type: Parse::Method::Signatures::TypeConstraint
Predicate: has_type_constraints

Representation of the type constraint for this parameter. Most commonly you will just call ``meta_type_constraint'' and not access this attribute directly.

default_value

Type: Str
Predicate: has_default_value

A string that should be eval'd or injected to get the default value for this parameter. For example:

  $name = 'bar'
 
 

Would give a default_value of ``'bar'''.

constraints

Type: ArrayRef[Str]
Predicate: has_constraints

"where" constraints for this type. Each member of the array a the string (including enclosing braces) of the where constraint block.

param_traits

Type: ArrayRef[ Tupple[Str,Str] ]
Predicate: has_traits

Traits that this parameter is declared to have. For instance

  $foo does coerce
 
 

would have a trait of

  ['does', 'coerce']
 
 

METHODS

to_string

meta_type_constraint

Get the Moose::Meta::TypeConstraint for this parameter. Check first that the type has a type constraint:
  $tc = $param->meta_type_constraint if $param->has_type_constraints;
 
 

SEE ALSO

Parse::Method::Signatures.

AUTHORS

Ash Berlin <ash@cpan.org>.

Florian Ragwitz <rafl@debian.org>.

LICENSE

Licensed under the same terms as Perl itself.