required

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

sigil

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

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

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

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

param_traits

Traits that this parameter is declared to have. For instance

 $foo does coerce

would have a trait of

 ['does', 'coerce']

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;