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package Devel::TypeCheck::Type::Rho; |
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use strict; |
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use Carp; |
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use Devel::TypeCheck::Type; |
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use Devel::TypeCheck::Type::TRef; |
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use Devel::TypeCheck::Type::TSub; |
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use Devel::TypeCheck::Type::TVar; |
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use Devel::TypeCheck::Util; |
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=head1 NAME |
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Devel::TypeCheck::Type::Rho - Type representing references. |
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=head1 SYNOPSIS |
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use Devel::TypeCheck::Type::Rho; |
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=head1 DESCRIPTION |
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Rho represents references. The underlying subtype can be a new type |
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(starting with Mu), or a type variable. |
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Inherits from Devel::TypeCheck::Type::TSub and Devel::TypeCheck::Type::TRef. |
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=cut |
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our @ISA = qw(Devel::TypeCheck::Type::TRef Devel::TypeCheck::Type::TSub Devel::TypeCheck::Type::TVar); |
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# **** CLASS **** |
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our @SUBTYPES; |
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our @subtypes; |
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BEGIN { |
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@SUBTYPES = (Devel::TypeCheck::Type::M(), Devel::TypeCheck::Type::VAR()); |
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1
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for my $i (@SUBTYPES) { |
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$subtypes[$i] = 1; |
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} |
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} |
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sub hasSubtype { |
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my ($this, $index) = @_; |
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return ($subtypes[$index]); |
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} |
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sub type { |
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return Devel::TypeCheck::Type::P(); |
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} |
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sub pretty { |
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my ($this, $env) = @_; |
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return "REFERENCE to " . $this->subtype->pretty($env); |
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} |
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TRUE; |
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=head1 AUTHOR |
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61
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Gary Jackson, C<< >> |
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63
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=head1 BUGS |
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65
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This version is specific to Perl 5.8.1. It may work with other |
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versions that have the same opcode list and structure, but this is |
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entirely untested. It definitely will not work if those parameters |
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change. |
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70
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Please report any bugs or feature requests to |
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C, or through the web interface at |
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L. |
73
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I will be notified, and then you'll automatically be notified of progress on |
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your bug as I make changes. |
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76
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=head1 COPYRIGHT & LICENSE |
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78
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Copyright 2005 Gary Jackson, all rights reserved. |
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80
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This program is free software; you can redistribute it and/or modify it |
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under the same terms as Perl itself. |
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83
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=cut |