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[catagits/Gitalist.git] / local-lib5 / man / man3 / Parse::Method::Signatures::Param.3pm

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.\" ========================================================================
.\"
.IX Title "Parse::Method::Signatures::Param 3"
.TH Parse::Method::Signatures::Param 3 "2009-03-15" "perl v5.8.7" "User Contributed Perl Documentation"
.\" For nroff, turn off justification.  Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
.if n .ad l
.nh
.SH "NAME"
Parse::Method::Signatures::Param \- a parsed parameter from a signature
.SH "ATTRIBUTES"
.IX Header "ATTRIBUTES"
All attributes of this class are read-only.
.SS "required"
.IX Subsection "required"
Is this parameter required (true) or optional (false)?
.SS "sigil"
.IX Subsection "sigil"
The effective sigil ('$', '@' or '%') of this parameter.
.SS "type_constraints"
.IX Subsection "type_constraints"
.RS 4
\&\fBType:\fR Parse::Method::Signatures::TypeConstraint
.Sp
\&\fBPredicate:\fR has_type_constraints
.RE
.PP
Representation of the type constraint for this parameter. Most commonly you
will just call \*(L"meta_type_constraint\*(R" and not access this attribute directly.
.SS "default_value"
.IX Subsection "default_value"
.RS 4
\&\fBType:\fR Str
.Sp
\&\fBPredicate:\fR has_default_value
.RE
.PP
A string that should be eval'd or injected to get the default value for this
parameter. For example:
.PP
.Vb 1
\& $name = \*(Aqbar\*(Aq
.Ve
.PP
Would give a default_value of \*(L"'bar'\*(R".
.SS "constraints"
.IX Subsection "constraints"
.RS 4
\&\fBType:\fR ArrayRef[Str]
.Sp
\&\fBPredicate:\fR has_constraints
.RE
.PP
\&\f(CW\*(C`where\*(C'\fR constraints for this type. Each member of the array a the string
(including enclosing braces) of the where constraint block.
.SS "param_traits"
.IX Subsection "param_traits"
.RS 4
\&\fBType:\fR ArrayRef[ Tupple[Str,Str] ]
.Sp
\&\fBPredicate:\fR has_traits
.RE
.PP
Traits that this parameter is declared to have. For instance
.PP
.Vb 1
\& $foo does coerce
.Ve
.PP
would have a trait of
.PP
.Vb 1
\& [\*(Aqdoes\*(Aq, \*(Aqcoerce\*(Aq]
.Ve
.SH "METHODS"
.IX Header "METHODS"
.SS "to_string"
.IX Subsection "to_string"
.SS "meta_type_constraint"
.IX Subsection "meta_type_constraint"
Get the Moose::Meta::TypeConstraint for this parameter. Check first that the
type has a type constraint:
.PP
.Vb 1
\& $tc = $param\->meta_type_constraint if $param\->has_type_constraints;
.Ve
.SH "SEE ALSO"
.IX Header "SEE ALSO"
Parse::Method::Signatures.
.SH "AUTHORS"
.IX Header "AUTHORS"
Ash Berlin <ash@cpan.org>.
.PP
Florian Ragwitz <rafl@debian.org>.
.SH "LICENSE"
.IX Header "LICENSE"
Licensed under the same terms as Perl itself.