.\" Automatically generated by Pod::Man v1.37, Pod::Parser v1.3 .\" .\" Standard preamble: .\" ======================================================================== .de Sh \" Subsection heading .br .if t .Sp .ne 5 .PP \fB\\$1\fR .PP .. .de Sp \" Vertical space (when we can't use .PP) .if t .sp .5v .if n .sp .. .de Vb \" Begin verbatim text .ft CW .nf .ne \\$1 .. .de Ve \" End verbatim text .ft R .fi .. .\" Set up some character translations and predefined strings. \*(-- will .\" give an unbreakable dash, \*(PI will give pi, \*(L" will give a left .\" double quote, and \*(R" will give a right double quote. | will give a .\" real vertical bar. \*(C+ will give a nicer C++. Capital omega is used to .\" do unbreakable dashes and therefore won't be available. \*(C` and \*(C' .\" expand to `' in nroff, nothing in troff, for use with C<>. .tr \(*W-|\(bv\*(Tr .ds C+ C\v'-.1v'\h'-1p'\s-2+\h'-1p'+\s0\v'.1v'\h'-1p' .ie n \{\ . ds -- \(*W- . ds PI pi . if (\n(.H=4u)&(1m=24u) .ds -- \(*W\h'-12u'\(*W\h'-12u'-\" diablo 10 pitch . if (\n(.H=4u)&(1m=20u) .ds -- \(*W\h'-12u'\(*W\h'-8u'-\" diablo 12 pitch . ds L" "" . ds R" "" . ds C` "" . ds C' "" 'br\} .el\{\ . ds -- \|\(em\| . ds PI \(*p . ds L" `` . ds R" '' 'br\} .\" .\" If the F register is turned on, we'll generate index entries on stderr for .\" titles (.TH), headers (.SH), subsections (.Sh), items (.Ip), and index .\" entries marked with X<> in POD. Of course, you'll have to process the .\" output yourself in some meaningful fashion. .if \nF \{\ . de IX . tm Index:\\$1\t\\n%\t"\\$2" .. . nr % 0 . rr F .\} .\" .\" For nroff, turn off justification. Always turn off hyphenation; it makes .\" way too many mistakes in technical documents. .hy 0 .if n .na .\" .\" Accent mark definitions (@(#)ms.acc 1.5 88/02/08 SMI; from UCB 4.2). .\" Fear. Run. Save yourself. No user-serviceable parts. . \" fudge factors for nroff and troff .if n \{\ . ds #H 0 . ds #V .8m . ds #F .3m . ds #[ \f1 . ds #] \fP .\} .if t \{\ . ds #H ((1u-(\\\\n(.fu%2u))*.13m) . ds #V .6m . ds #F 0 . ds #[ \& . ds #] \& .\} . \" simple accents for nroff and troff .if n \{\ . ds ' \& . ds ` \& . ds ^ \& . ds , \& . ds ~ ~ . ds / .\} .if t \{\ . ds ' \\k:\h'-(\\n(.wu*8/10-\*(#H)'\'\h"|\\n:u" . ds ` \\k:\h'-(\\n(.wu*8/10-\*(#H)'\`\h'|\\n:u' . ds ^ \\k:\h'-(\\n(.wu*10/11-\*(#H)'^\h'|\\n:u' . ds , \\k:\h'-(\\n(.wu*8/10)',\h'|\\n:u' . ds ~ \\k:\h'-(\\n(.wu-\*(#H-.1m)'~\h'|\\n:u' . ds / \\k:\h'-(\\n(.wu*8/10-\*(#H)'\z\(sl\h'|\\n:u' .\} . \" troff and (daisy-wheel) nroff accents .ds : \\k:\h'-(\\n(.wu*8/10-\*(#H+.1m+\*(#F)'\v'-\*(#V'\z.\h'.2m+\*(#F'.\h'|\\n:u'\v'\*(#V' .ds 8 \h'\*(#H'\(*b\h'-\*(#H' .ds o \\k:\h'-(\\n(.wu+\w'\(de'u-\*(#H)/2u'\v'-.3n'\*(#[\z\(de\v'.3n'\h'|\\n:u'\*(#] .ds d- \h'\*(#H'\(pd\h'-\w'~'u'\v'-.25m'\f2\(hy\fP\v'.25m'\h'-\*(#H' .ds D- D\\k:\h'-\w'D'u'\v'-.11m'\z\(hy\v'.11m'\h'|\\n:u' .ds th \*(#[\v'.3m'\s+1I\s-1\v'-.3m'\h'-(\w'I'u*2/3)'\s-1o\s+1\*(#] .ds Th \*(#[\s+2I\s-2\h'-\w'I'u*3/5'\v'-.3m'o\v'.3m'\*(#] .ds ae a\h'-(\w'a'u*4/10)'e .ds Ae A\h'-(\w'A'u*4/10)'E . \" corrections for vroff .if v .ds ~ \\k:\h'-(\\n(.wu*9/10-\*(#H)'\s-2\u~\d\s+2\h'|\\n:u' .if v .ds ^ \\k:\h'-(\\n(.wu*10/11-\*(#H)'\v'-.4m'^\v'.4m'\h'|\\n:u' . \" for low resolution devices (crt and lpr) .if \n(.H>23 .if \n(.V>19 \ \{\ . ds : e . ds 8 ss . ds o a . ds d- d\h'-1'\(ga . ds D- D\h'-1'\(hy . ds th \o'bp' . ds Th \o'LP' . ds ae ae . ds Ae AE .\} .rm #[ #] #H #V #F C .\" ======================================================================== .\" .IX Title "Moose::Meta::TypeCoercion 3" .TH Moose::Meta::TypeCoercion 3 "2009-11-19" "perl v5.8.7" "User Contributed Perl Documentation" .SH "NAME" Moose::Meta::TypeCoercion \- The Moose Type Coercion metaclass .SH "DESCRIPTION" .IX Header "DESCRIPTION" A type coercion object is basically a mapping of one or more type constraints and the associated coercions subroutines. .PP It's unlikely that you will need to instantiate an object of this class directly, as it's part of the deep internals of Moose. .SH "METHODS" .IX Header "METHODS" .IP "\fBMoose::Meta::TypeCoercion\->new(%options)\fR" 4 .IX Item "Moose::Meta::TypeCoercion->new(%options)" Creates a new type coercion object, based on the options provided. .RS 4 .IP "* type_constraint" 8 .IX Item "type_constraint" This is the Moose::Meta::TypeConstraint object for the type that is being coerced \fIto\fR. .RE .RS 4 .RE .IP "\fB$coercion\->type_coercion_map\fR" 4 .IX Item "$coercion->type_coercion_map" This returns the map of type constraints to coercions as an array reference. The values of the array alternate between type names and subroutine references which implement the coercion. .Sp The value is an array reference because coercions are tried in the order they are added. .IP "\fB$coercion\->type_constraint\fR" 4 .IX Item "$coercion->type_constraint" This returns the Moose::Meta::TypeConstraint that was passed to the constructor. .IP "\fB$coercion\->has_coercion_for_type($type_name)\fR" 4 .IX Item "$coercion->has_coercion_for_type($type_name)" Returns true if the coercion can coerce the named type. .ie n .IP "\fB$coercion\->add_type_coercions( \fB$type_name\fB => \f(BI$sub\fB, ... )\fR" 4 .el .IP "\fB$coercion\->add_type_coercions( \f(CB$type_name\fB => \f(CB$sub\fB, ... )\fR" 4 .IX Item "$coercion->add_type_coercions( $type_name => $sub, ... )" This method takes a list of type names and subroutine references. If the coercion already has a mapping for a given type, it throws an exception. .Sp Coercions are actually .IP "\fB$coercion\->coerce($value)\fR" 4 .IX Item "$coercion->coerce($value)" This method takes a value and applies the first valid coercion it finds. .Sp This means that if the value could belong to more than type in the coercion object, the first coercion added is used. .IP "\fBMoose::Meta::TypeCoercion\->meta\fR" 4 .IX Item "Moose::Meta::TypeCoercion->meta" This will return a Class::MOP::Class instance for this class. .SH "BUGS" .IX Header "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. .SH "AUTHOR" .IX Header "AUTHOR" Stevan Little .SH "COPYRIGHT AND LICENSE" .IX Header "COPYRIGHT AND LICENSE" Copyright 2006\-2009 by Infinity Interactive, Inc. .PP .PP This library is free software; you can redistribute it and/or modify it under the same terms as Perl itself.