/usr/share/perl5/Types/Standard/ScalarRef.pm is in libtype-tiny-perl 1.000005-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 | package Types::Standard::ScalarRef;
use 5.006001;
use strict;
use warnings;
BEGIN {
$Types::Standard::ScalarRef::AUTHORITY = 'cpan:TOBYINK';
$Types::Standard::ScalarRef::VERSION = '1.000005';
}
use Types::Standard ();
use Types::TypeTiny ();
sub _croak ($;@) { require Error::TypeTiny; goto \&Error::TypeTiny::croak }
no warnings;
sub __constraint_generator
{
return Types::Standard::ScalarRef unless @_;
my $param = Types::TypeTiny::to_TypeTiny(shift);
Types::TypeTiny::TypeTiny->check($param)
or _croak("Parameter to ScalarRef[`a] expected to be a type constraint; got $param");
return sub
{
my $ref = shift;
$param->check($$ref) || return;
return !!1;
};
}
sub __inline_generator
{
my $param = shift;
return unless $param->can_be_inlined;
return sub {
my $v = $_[1];
my $param_check = $param->inline_check("\${$v}");
"(ref($v) eq 'SCALAR' or ref($v) eq 'REF') and $param_check";
};
}
sub __deep_explanation
{
my ($type, $value, $varname) = @_;
my $param = $type->parameters->[0];
for my $item ($$value)
{
next if $param->check($item);
return [
sprintf('"%s" constrains the referenced scalar value with "%s"', $type, $param),
@{ $param->validate_explain($item, sprintf('${%s}', $varname)) },
];
}
# This should never happen...
return; # uncoverable statement
}
sub __coercion_generator
{
my ($parent, $child, $param) = @_;
return unless $param->has_coercion;
my $coercable_item = $param->coercion->_source_type_union;
my $C = "Type::Coercion"->new(type_constraint => $child);
if ($param->coercion->can_be_inlined and $coercable_item->can_be_inlined)
{
$C->add_type_coercions($parent => Types::Standard::Stringable {
my @code;
push @code, 'do { my ($orig, $return_orig, $new) = ($_, 0);';
push @code, 'for ($$orig) {';
push @code, sprintf('++$return_orig && last unless (%s);', $coercable_item->inline_check('$_'));
push @code, sprintf('$new = (%s);', $param->coercion->inline_coercion('$_'));
push @code, '}';
push @code, '$return_orig ? $orig : \\$new';
push @code, '}';
"@code";
});
}
else
{
$C->add_type_coercions(
$parent => sub {
my $value = @_ ? $_[0] : $_;
my $new;
for my $item ($$value)
{
return $value unless $coercable_item->check($item);
$new = $param->coerce($item);
}
return \$new;
},
);
}
return $C;
}
1;
__END__
=pod
=encoding utf-8
=head1 NAME
Types::Standard::ScalarRef - internals for the Types::Standard ScalarRef type constraint
=head1 STATUS
This module is considered part of Type-Tiny's internals. It is not
covered by the
L<Type-Tiny stability policy|Type::Tiny::Manual::Policies/"STABILITY">.
=head1 DESCRIPTION
This file contains some of the guts for L<Types::Standard>.
It will be loaded on demand. You may ignore its presence.
=head1 BUGS
Please report any bugs to
L<http://rt.cpan.org/Dist/Display.html?Queue=Type-Tiny>.
=head1 SEE ALSO
L<Types::Standard>.
=head1 AUTHOR
Toby Inkster E<lt>tobyink@cpan.orgE<gt>.
=head1 COPYRIGHT AND LICENCE
This software is copyright (c) 2013-2014 by Toby Inkster.
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.
=head1 DISCLAIMER OF WARRANTIES
THIS PACKAGE IS PROVIDED "AS IS" AND WITHOUT ANY EXPRESS OR IMPLIED
WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
|