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authorAndrej Shadura <andrewsh@debian.org>2019-06-23 13:32:29 -0500
committerAndrej Shadura <andrewsh@debian.org>2019-06-23 13:32:29 -0500
commitfedd443cfa43bb7ccdfe16b1088a7d8c08c6d393 (patch)
treee1e69251e2d32da9a3c5afbee9e5fe9f720af266
Import original source of Variable-Disposition 0.004
-rw-r--r--Changes27
-rw-r--r--INSTALL43
-rw-r--r--LICENSE379
-rw-r--r--MANIFEST25
-rw-r--r--META.json63
-rw-r--r--META.yml28
-rw-r--r--Makefile.PL67
-rw-r--r--README15
-rw-r--r--SIGNATURE50
-rw-r--r--cpanfile8
-rw-r--r--dist.ini72
-rw-r--r--lib/Variable/Disposition.pm156
-rw-r--r--lib/Variable/Disposition.pod120
-rw-r--r--t/00-check-deps.t17
-rw-r--r--t/00-compile.t51
-rw-r--r--t/000-report-versions-tiny.t78
-rw-r--r--t/basic.t54
-rw-r--r--t/retain.t26
-rw-r--r--t/retain_future.t32
-rw-r--r--xt/release/common_spelling.t11
-rw-r--r--xt/release/mojibake.t12
-rw-r--r--xt/release/pod-syntax.t6
-rw-r--r--xt/release/synopsis.t5
-rw-r--r--xt/release/test-version.t22
24 files changed, 1367 insertions, 0 deletions
diff --git a/Changes b/Changes
new file mode 100644
index 0000000..4ccf218
--- /dev/null
+++ b/Changes
@@ -0,0 +1,27 @@
+Revision history for Variable-Disposition
+
+0.004 2015-02-11 22:17:44+00:00 Europe/London
+ No new features.
+
+ Dependencies:
+ * Require Future.pm, there's some test failures on older versions of Future and
+ I don't feel like messing around with version checks, given that everything else
+ I use depends on Future.pm anyway - patches welcome if anyone feels differently.
+
+0.003 2015-02-09 02:51:40+00:00 Europe/London
+ No new features.
+
+ Bugs fixed:
+ * retain_future was returning undef for completed Futures
+
+0.002 2015-01-30 20:40:28+00:00 Europe/London
+ New features:
+ * retain - holds on to a variable until dispose/exit
+ * retain_future - holds on to a Future until it's ready
+
+ Documentation:
+ * Expanded description of some details of the dispose() function
+ including mention of the ($) prototype.
+
+0.001 2014-08-30 20:43:59+01:00 Europe/London
+ Initial CPAN release
diff --git a/INSTALL b/INSTALL
new file mode 100644
index 0000000..18233a5
--- /dev/null
+++ b/INSTALL
@@ -0,0 +1,43 @@
+This is the Perl distribution Variable-Disposition.
+
+Installing Variable-Disposition is straightforward.
+
+## Installation with cpanm
+
+If you have cpanm, you only need one line:
+
+ % cpanm Variable::Disposition
+
+If you are installing into a system-wide directory, you may need to pass the
+"-S" flag to cpanm, which uses sudo to install the module:
+
+ % cpanm -S Variable::Disposition
+
+## Installing with the CPAN shell
+
+Alternatively, if your CPAN shell is set up, you should just be able to do:
+
+ % cpan Variable::Disposition
+
+## Manual installation
+
+As a last resort, you can manually install it. Download the tarball, untar it,
+then build it:
+
+ % perl Makefile.PL
+ % make && make test
+
+Then install it:
+
+ % make install
+
+If you are installing into a system-wide directory, you may need to run:
+
+ % sudo make install
+
+## Documentation
+
+Variable-Disposition documentation is available as POD.
+You can run perldoc from a shell to read the documentation:
+
+ % perldoc Variable::Disposition
diff --git a/LICENSE b/LICENSE
new file mode 100644
index 0000000..eeed8ba
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,379 @@
+This software is copyright (c) 2014 by Tom Molesworth.
+
+This is free software; you can redistribute it and/or modify it under
+the same terms as the Perl 5 programming language system itself.
+
+Terms of the Perl programming language system itself
+
+a) the GNU General Public License as published by the Free
+ Software Foundation; either version 1, or (at your option) any
+ later version, or
+b) the "Artistic License"
+
+--- The GNU General Public License, Version 1, February 1989 ---
+
+This software is Copyright (c) 2014 by Tom Molesworth.
+
+This is free software, licensed under:
+
+ The GNU General Public License, Version 1, February 1989
+
+ GNU GENERAL PUBLIC LICENSE
+ Version 1, February 1989
+
+ Copyright (C) 1989 Free Software Foundation, Inc.
+ 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+
+ Everyone is permitted to copy and distribute verbatim copies
+ of this license document, but changing it is not allowed.
+
+ Preamble
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+ The license agreements of most software companies try to keep users
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+
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+ If you develop a new program, and you want it to be of the greatest
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+
+The hypothetical commands `show w' and `show c' should show the
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+program.
+
+You should also get your employer (if you work as a programmer) or your
+school, if any, to sign a "copyright disclaimer" for the program, if
+necessary. Here a sample; alter the names:
+
+ Yoyodyne, Inc., hereby disclaims all copyright interest in the
+ program `Gnomovision' (a program to direct compilers to make passes
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+
+ <signature of Ty Coon>, 1 April 1989
+ Ty Coon, President of Vice
+
+That's all there is to it!
+
+
+--- The Artistic License 1.0 ---
+
+This software is Copyright (c) 2014 by Tom Molesworth.
+
+This is free software, licensed under:
+
+ The Artistic License 1.0
+
+The Artistic License
+
+Preamble
+
+The intent of this document is to state the conditions under which a Package
+may be copied, such that the Copyright Holder maintains some semblance of
+artistic control over the development of the package, while giving the users of
+the package the right to use and distribute the Package in a more-or-less
+customary fashion, plus the right to make reasonable modifications.
+
+Definitions:
+
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+ Holder, and derivatives of that collection of files created through
+ textual modification.
+ - "Standard Version" refers to such a Package if it has not been modified,
+ or has been modified in accordance with the wishes of the Copyright
+ Holder.
+ - "Copyright Holder" is whoever is named in the copyright or copyrights for
+ the package.
+ - "You" is you, if you're thinking about copying or distributing this Package.
+ - "Reasonable copying fee" is whatever you can justify on the basis of media
+ cost, duplication charges, time of people involved, and so on. (You will
+ not be required to justify it to the Copyright Holder, but only to the
+ computing community at large as a market that must bear the fee.)
+ - "Freely Available" means that no fee is charged for the item itself, though
+ there may be fees involved in handling the item. It also means that
+ recipients of the item may redistribute it under the same conditions they
+ received it.
+
+1. You may make and give away verbatim copies of the source form of the
+Standard Version of this Package without restriction, provided that you
+duplicate all of the original copyright notices and associated disclaimers.
+
+2. You may apply bug fixes, portability fixes and other modifications derived
+from the Public Domain or from the Copyright Holder. A Package modified in such
+a way shall still be considered the Standard Version.
+
+3. You may otherwise modify your copy of this Package in any way, provided that
+you insert a prominent notice in each changed file stating how and when you
+changed that file, and provided that you do at least ONE of the following:
+
+ a) place your modifications in the Public Domain or otherwise make them
+ Freely Available, such as by posting said modifications to Usenet or an
+ equivalent medium, or placing the modifications on a major archive site
+ such as ftp.uu.net, or by allowing the Copyright Holder to include your
+ modifications in the Standard Version of the Package.
+
+ b) use the modified Package only within your corporation or organization.
+
+ c) rename any non-standard executables so the names do not conflict with
+ standard executables, which must also be provided, and provide a separate
+ manual page for each non-standard executable that clearly documents how it
+ differs from the Standard Version.
+
+ d) make other distribution arrangements with the Copyright Holder.
+
+4. You may distribute the programs of this Package in object code or executable
+form, provided that you do at least ONE of the following:
+
+ a) distribute a Standard Version of the executables and library files,
+ together with instructions (in the manual page or equivalent) on where to
+ get the Standard Version.
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+ b) accompany the distribution with the machine-readable source of the Package
+ with your modifications.
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+ c) accompany any non-standard executables with their corresponding Standard
+ Version executables, giving the non-standard executables non-standard
+ names, and clearly documenting the differences in manual pages (or
+ equivalent), together with instructions on where to get the Standard
+ Version.
+
+ d) make other distribution arrangements with the Copyright Holder.
+
+5. You may charge a reasonable copying fee for any distribution of this
+Package. You may charge any fee you choose for support of this Package. You
+may not charge a fee for this Package itself. However, you may distribute this
+Package in aggregate with other (possibly commercial) programs as part of a
+larger (possibly commercial) software distribution provided that you do not
+advertise this Package as a product of your own.
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+6. The scripts and library files supplied as input to or produced as output
+from the programs of this Package do not automatically fall under the copyright
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+commercially, and may be aggregated with this Package.
+
+7. C or perl subroutines supplied by you and linked into this Package shall not
+be considered part of this Package.
+
+8. The name of the Copyright Holder may not be used to endorse or promote
+products derived from this software without specific prior written permission.
+
+9. 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.
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+The End
+
diff --git a/MANIFEST b/MANIFEST
new file mode 100644
index 0000000..621c7cb
--- /dev/null
+++ b/MANIFEST
@@ -0,0 +1,25 @@
+# This file was automatically generated by Dist::Zilla::Plugin::Manifest v5.029.
+Changes
+INSTALL
+LICENSE
+MANIFEST
+META.json
+META.yml
+Makefile.PL
+README
+SIGNATURE
+cpanfile
+dist.ini
+lib/Variable/Disposition.pm
+lib/Variable/Disposition.pod
+t/00-check-deps.t
+t/00-compile.t
+t/000-report-versions-tiny.t
+t/basic.t
+t/retain.t
+t/retain_future.t
+xt/release/common_spelling.t
+xt/release/mojibake.t
+xt/release/pod-syntax.t
+xt/release/synopsis.t
+xt/release/test-version.t
diff --git a/META.json b/META.json
new file mode 100644
index 0000000..94b7ffd
--- /dev/null
+++ b/META.json
@@ -0,0 +1,63 @@
+{
+ "abstract" : "dispose of variables",
+ "author" : [
+ "Tom Molesworth <cpan@perlsite.co.uk>"
+ ],
+ "dynamic_config" : 0,
+ "generated_by" : "Dist::Zilla version 5.029, CPAN::Meta::Converter version 2.143240",
+ "license" : [
+ "perl_5"
+ ],
+ "meta-spec" : {
+ "url" : "http://search.cpan.org/perldoc?CPAN::Meta::Spec",
+ "version" : 2
+ },
+ "name" : "Variable-Disposition",
+ "prereqs" : {
+ "build" : {
+ "requires" : {
+ "perl" : "5.010001"
+ }
+ },
+ "configure" : {
+ "requires" : {
+ "ExtUtils::MakeMaker" : "6.48"
+ }
+ },
+ "develop" : {
+ "requires" : {
+ "Test::More" : "0",
+ "Test::Pod" : "1.41",
+ "Test::Synopsis" : "0",
+ "Test::Version" : "1",
+ "version" : "0.9901"
+ }
+ },
+ "runtime" : {
+ "requires" : {
+ "Future" : "0.30"
+ }
+ },
+ "test" : {
+ "requires" : {
+ "File::Spec" : "0",
+ "IO::Handle" : "0",
+ "IPC::Open3" : "0",
+ "Test::CheckDeps" : "0.010",
+ "Test::Fatal" : "0.010",
+ "Test::More" : "0.98",
+ "Test::Refcount" : "0"
+ }
+ }
+ },
+ "release_status" : "stable",
+ "resources" : {
+ "bugtracker" : {
+ "mailto" : "bug-variable-disposition at rt.cpan.org",
+ "web" : "http://rt.cpan.org/Public/Dist/Display.html?Name=Variable-Disposition"
+ },
+ "homepage" : "http://search.cpan.org/dist/Variable-Disposition/"
+ },
+ "version" : "0.004"
+}
+
diff --git a/META.yml b/META.yml
new file mode 100644
index 0000000..1224895
--- /dev/null
+++ b/META.yml
@@ -0,0 +1,28 @@
+---
+abstract: 'dispose of variables'
+author:
+ - 'Tom Molesworth <cpan@perlsite.co.uk>'
+build_requires:
+ File::Spec: '0'
+ IO::Handle: '0'
+ IPC::Open3: '0'
+ Test::CheckDeps: '0.010'
+ Test::Fatal: '0.010'
+ Test::More: '0.98'
+ Test::Refcount: '0'
+ perl: '5.010001'
+configure_requires:
+ ExtUtils::MakeMaker: '6.48'
+dynamic_config: 0
+generated_by: 'Dist::Zilla version 5.029, CPAN::Meta::Converter version 2.143240'
+license: perl
+meta-spec:
+ url: http://module-build.sourceforge.net/META-spec-v1.4.html
+ version: '1.4'
+name: Variable-Disposition
+requires:
+ Future: '0.30'
+resources:
+ bugtracker: http://rt.cpan.org/Public/Dist/Display.html?Name=Variable-Disposition
+ homepage: http://search.cpan.org/dist/Variable-Disposition/
+version: '0.004'
diff --git a/Makefile.PL b/Makefile.PL
new file mode 100644
index 0000000..9ab7b51
--- /dev/null
+++ b/Makefile.PL
@@ -0,0 +1,67 @@
+
+# This file was automatically generated by Dist::Zilla::Plugin::MakeMaker v5.029.
+use strict;
+use warnings;
+
+use 5.010001;
+
+use ExtUtils::MakeMaker 6.48;
+
+
+
+my %WriteMakefileArgs = (
+ "ABSTRACT" => "dispose of variables",
+ "AUTHOR" => "Tom Molesworth <cpan\@perlsite.co.uk>",
+ "CONFIGURE_REQUIRES" => {
+ "ExtUtils::MakeMaker" => "6.48"
+ },
+ "DISTNAME" => "Variable-Disposition",
+ "EXE_FILES" => [],
+ "LICENSE" => "perl",
+ "MIN_PERL_VERSION" => "5.010001",
+ "NAME" => "Variable::Disposition",
+ "PREREQ_PM" => {
+ "Future" => "0.30"
+ },
+ "TEST_REQUIRES" => {
+ "File::Spec" => 0,
+ "IO::Handle" => 0,
+ "IPC::Open3" => 0,
+ "Test::CheckDeps" => "0.010",
+ "Test::Fatal" => "0.010",
+ "Test::More" => "0.98",
+ "Test::Refcount" => 0
+ },
+ "VERSION" => "0.004",
+ "test" => {
+ "TESTS" => "t/*.t"
+ }
+);
+
+
+my %FallbackPrereqs = (
+ "ExtUtils::MakeMaker" => "6.48",
+ "File::Spec" => 0,
+ "Future" => "0.30",
+ "IO::Handle" => 0,
+ "IPC::Open3" => 0,
+ "Test::CheckDeps" => "0.010",
+ "Test::Fatal" => "0.010",
+ "Test::More" => "0.98",
+ "Test::Refcount" => 0
+);
+
+
+unless ( eval { ExtUtils::MakeMaker->VERSION(6.63_03) } ) {
+ delete $WriteMakefileArgs{TEST_REQUIRES};
+ delete $WriteMakefileArgs{BUILD_REQUIRES};
+ $WriteMakefileArgs{PREREQ_PM} = \%FallbackPrereqs;
+}
+
+delete $WriteMakefileArgs{CONFIGURE_REQUIRES}
+ unless eval { ExtUtils::MakeMaker->VERSION(6.52) };
+
+WriteMakefile(%WriteMakefileArgs);
+
+
+
diff --git a/README b/README
new file mode 100644
index 0000000..669593f
--- /dev/null
+++ b/README
@@ -0,0 +1,15 @@
+
+
+This archive contains the distribution Variable-Disposition,
+version 0.004:
+
+ dispose of variables
+
+This software is copyright (c) 2014 by Tom Molesworth.
+
+This is free software; you can redistribute it and/or modify it under
+the same terms as the Perl 5 programming language system itself.
+
+
+This README file was generated by Dist::Zilla::Plugin::Readme v5.029.
+
diff --git a/SIGNATURE b/SIGNATURE
new file mode 100644
index 0000000..ec3db68
--- /dev/null
+++ b/SIGNATURE
@@ -0,0 +1,50 @@
+This file contains message digests of all files listed in MANIFEST,
+signed via the Module::Signature module, version 0.73.
+
+To verify the content in this distribution, first make sure you have
+Module::Signature installed, then type:
+
+ % cpansign -v
+
+It will check each file's integrity, as well as the signature's
+validity. If "==> Signature verified OK! <==" is not displayed,
+the distribution may already have been compromised, and you should
+not run its Makefile.PL or Build.PL.
+
+-----BEGIN PGP SIGNED MESSAGE-----
+Hash: SHA1
+
+SHA1 7445a489122f66de963a7484f676382ad08a915d Changes
+SHA1 a208cbdb5fc156a5564a59d8ca963bc058de387a INSTALL
+SHA1 6b50b30fa6f8d063d96e32c9a81f3f82328925f7 LICENSE
+SHA1 c90184c27fc3cd644268f853cad64a9a593906a1 MANIFEST
+SHA1 b8b30966a55bdc7196163dfb499c0c136851c573 META.json
+SHA1 881383469e96fdf9d15904354ddd4777ba1eb28f META.yml
+SHA1 721d11532d78982ee5981c4bd1ededb86bd90840 Makefile.PL
+SHA1 1c0b3d9c0f74e70fa2a9022934be815b3064bb26 README
+SHA1 fc2137b26983f5e33292da8fa380c46fdf2983ca cpanfile
+SHA1 a702916540e62702a72929de0b4e16bc6418e6a6 dist.ini
+SHA1 ecd01527275ee7896d31ce8f56d32f71601b281d lib/Variable/Disposition.pm
+SHA1 1cebbca4aef6bda130e545a4dba99c86343682d9 lib/Variable/Disposition.pod
+SHA1 985d9ded8d8ed7e344a09e52b1402e878e91da28 t/00-check-deps.t
+SHA1 77225336bf5068280a1f7252b84c3aa8c4199749 t/00-compile.t
+SHA1 549c15beab8d9f8a854cc47bd60a9c2b7dac2562 t/000-report-versions-tiny.t
+SHA1 5c940c8bc25f9a3388286d88e2e2f1062fc71d11 t/basic.t
+SHA1 c893d49f25a52a9b9cbe636b7079a33aa7da31e2 t/retain.t
+SHA1 069b1d6178f2e339e2854e7ec906dc7036d54d96 t/retain_future.t
+SHA1 198d1665317c3d91e3bb81f0a3b8dad8d4d66f20 xt/release/common_spelling.t
+SHA1 c6c3c9f7fe12058b4771449dff874b1c450c982c xt/release/mojibake.t
+SHA1 296928dbbcaffd1514ccc9b77a1e6e03cfe9b068 xt/release/pod-syntax.t
+SHA1 34513f89a70b96f6412fe2ef0ad4d475e8cac66c xt/release/synopsis.t
+SHA1 1294a6710ea8e2626e43722e50111bf872668316 xt/release/test-version.t
+-----BEGIN PGP SIGNATURE-----
+Version: GnuPG v1
+
+iQEcBAEBAgAGBQJU29USAAoJEFKElMNpjtyDIAcH+gK1vLutxm3ocFsoCCktbV/d
+FtG6Mkex8PZ0GQGHc0Idy6lectQ5j9B2Is+1Ke9sI0X0dnvF4eYy2d9wUipVhM30
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++I0d0MJpXJ7dAZmz2hdh6WHYvYGAfNLcrf1F1BTBjmGLvnsgQ6qzlB6PHJP9d2o=
+=n6dr
+-----END PGP SIGNATURE-----
diff --git a/cpanfile b/cpanfile
new file mode 100644
index 0000000..25d3590
--- /dev/null
+++ b/cpanfile
@@ -0,0 +1,8 @@
+requires 'Future', '>= 0.30';
+
+on 'test' => sub {
+ requires 'Test::More', '>= 0.98';
+ requires 'Test::Fatal', '>= 0.010';
+ requires 'Test::Refcount', 0;
+};
+
diff --git a/dist.ini b/dist.ini
new file mode 100644
index 0000000..abfc118
--- /dev/null
+++ b/dist.ini
@@ -0,0 +1,72 @@
+name = Variable-Disposition
+author = Tom Molesworth <cpan@perlsite.co.uk>
+license = Perl_5
+copyright_holder = Tom Molesworth
+copyright_year = 2014
+main_module = lib/Variable/Disposition.pm
+
+[Git::GatherDir]
+exclude_filename = Makefile.PL
+[PruneCruft]
+;[PruneFiles]
+[ManifestSkip]
+[MetaYAML]
+[License]
+[Readme]
+[MakeMaker]
+eumm_version = 6.48
+prereq_fatal = 1
+[ExecDir]
+[ShareDir]
+dir = share
+[Manifest]
+[TestRelease]
+[ConfirmRelease]
+[UploadToCPAN]
+[Prereqs::FromCPANfile]
+[Prereqs / BuildRequires]
+perl = 5.010001
+[CheckPrereqsIndexed]
+[CheckExtraTests]
+[NextRelease]
+[VersionFromModule]
+[PodVersion]
+[PkgVersion]
+[Homepage]
+[Bugtracker]
+; [PrePAN]
+; author = http://prepan.org/user/xyz
+; module = http://prepan.org/user/xyz
+[InstallGuide]
+[MetaJSON]
+[InsertExample]
+[PodInherit]
+[PodSyntaxTests]
+[MojibakeTests]
+[Test::CheckDeps]
+[Test::Compile]
+[Test::Synopsis]
+; [Test::EOL]
+[Test::Version]
+; [Test::Pod::LinkCheck]
+; [PodCoverageTests]
+; [Test::UnusedVars]
+[ReportVersions::Tiny]
+[SpellingCommonMistakesTests]
+[Signature]
+[CopyMakefilePLFromBuild]
+[ArchiveRelease]
+directory = /home/tom/dev/CPAN-Archive
+;[Git::Check]
+;allow_dirty = dist.ini
+;changelog = Changes
+[Git::Commit]
+allow_dirty = dist.ini
+allow_dirty = cpanfile
+allow_dirty = Changes
+allow_dirty = Makefile.PL
+[Git::Tag]
+tag_format = v%v
+tag_message = Tag v%v for CPAN release
+[ReversionOnRelease]
+
diff --git a/lib/Variable/Disposition.pm b/lib/Variable/Disposition.pm
new file mode 100644
index 0000000..98b2847
--- /dev/null
+++ b/lib/Variable/Disposition.pm
@@ -0,0 +1,156 @@
+package Variable::Disposition;
+# ABSTRACT: dispose of variables
+use strict;
+use warnings;
+
+use parent qw(Exporter);
+
+our $VERSION = '0.004';
+
+=head1 NAME
+
+Variable::Disposition - helper functions for disposing of variables
+
+=head1 VERSION
+
+version 0.004
+
+=head1 SYNOPSIS
+
+ use feature qw(say);
+ use Variable::Disposition;
+ my $x = [];
+ dispose $x;
+ say '$x is no longer defined';
+
+=head1 DESCRIPTION
+
+Provides some basic helper functions for making sure variables go away
+when you want them to.
+
+Currently provides L</dispose> as a default import. To avoid this:
+
+ use Variable::Disposition ();
+
+In addition, L</retain> and L</retain_future> are available as optional
+imports.
+
+ use Variable::Disposition qw(dispose retain retain_future);
+
+The C< :all > tag can be used to import every available function:
+
+ use Variable::Disposition qw(:all);
+
+but it would be safer to use a version instead:
+
+ use Variable::Disposition qw(:v1);
+
+since these are guaranteed not to change in future.
+
+Other functions for use with L<Future> and L<IO::Async> are likely to be
+added later.
+
+=cut
+
+our @EXPORT_OK = qw(dispose retain retain_future);
+
+our %EXPORT_TAGS = (
+ all => [ @EXPORT_OK ],
+ v1 => [ qw(dispose retain retain_future) ],
+);
+
+our @EXPORT = qw(dispose);
+
+use Scalar::Util ();
+
+our %RETAINED;
+
+=head1 FUNCTIONS
+
+=cut
+
+=head2 dispose
+
+Undefines the given variable, then checks that the original ref was destroyed.
+
+ my $x = [1,2,3];
+ dispose $x;
+ # $x is no longer defined.
+
+This is primarily intended for cases where you no longer need a variable, and want
+to ensure that you haven't accidentally captured a strong reference to it elsewhere.
+
+Note that this clears the B<caller>'s variable.
+
+This function is defined with a prototype of ($), since it is only intended for use
+on scalar variables. To clear multiple variables, use a L<foreach> loop:
+
+ my ($x, $y, $z) = ...;
+ dispose $_ for $x, $y, $z;
+ is($x, undef);
+ is($y, undef);
+ is($z, undef);
+
+=cut
+
+sub dispose($) {
+ die "Variable not defined" unless defined $_[0];
+ die "Variable was not a ref" unless ref $_[0];
+ delete $RETAINED{$_[0]}; # just in case we'd previously retained this one
+ Scalar::Util::weaken(my $copy = $_[0]);
+ undef $_[0];
+ die "Variable was not released" if defined $copy;
+}
+
+=head2 retain
+
+Keeps a copy of this variable until program exit or L</dispose>.
+
+Returns the original variable.
+
+=cut
+
+sub retain($) {
+ die "Variable not defined" unless defined $_[0];
+ die "Variable was not a ref" unless ref $_[0];
+ $RETAINED{$_[0]} = $_[0];
+ $_[0]
+}
+
+=head2 retain_future
+
+Holds a copy of the given L<Future> until it's marked ready, then releases our copy.
+Does not use L</dispose>, since that could interfere with other callbacks attached
+to the L<Future>.
+
+Returns the original L<Future>.
+
+=cut
+
+sub retain_future {
+ my ($f) = @_;
+ die "Variable does not seem to be a Future, since it has no ->on_ready method" unless $f->can('on_ready');
+ $f->on_ready(sub { undef $f });
+}
+
+1;
+
+__END__
+
+=head1 SEE ALSO
+
+=over 4
+
+=item * L<Devel::Refcount> - assert_oneref is almost identical to this, although it doesn't clear the variable it's called on
+
+=item * L<Closure::Explicit> - provides a sub{} wrapper that will complain if you capture a lexical without explicitly declaring that you're going to do that.
+
+=back
+
+=head1 AUTHOR
+
+Tom Molesworth <cpan@perlsite.co.uk>
+
+=head1 LICENSE
+
+Copyright Tom Molesworth 2014-2015. Licensed under the same terms as Perl itself.
diff --git a/lib/Variable/Disposition.pod b/lib/Variable/Disposition.pod
new file mode 100644
index 0000000..ab97eb0
--- /dev/null
+++ b/lib/Variable/Disposition.pod
@@ -0,0 +1,120 @@
+=for comment POD_DERIVED_INDEX_GENERATED
+The following documentation is automatically generated. Please do not edit
+this file, but rather the original, inline with Variable::Disposition
+at lib/Variable/Disposition.pm
+(on the system that originally ran this).
+If you do edit this file, and don't want your changes to be removed, make
+sure you change the first line.
+
+=encoding utf8
+
+=cut
+
+=head1 NAME
+
+Variable::Disposition - helper functions for disposing of variables
+
+=head1 VERSION
+
+version 0.004
+
+=head1 SYNOPSIS
+
+ use feature qw(say);
+ use Variable::Disposition;
+ my $x = [];
+ dispose $x;
+ say '$x is no longer defined';
+
+=head1 DESCRIPTION
+
+Provides some basic helper functions for making sure variables go away
+when you want them to.
+
+Currently provides L</dispose> as a default import. To avoid this:
+
+ use Variable::Disposition ();
+
+In addition, L</retain> and L</retain_future> are available as optional
+imports.
+
+ use Variable::Disposition qw(dispose retain retain_future);
+
+The C< :all > tag can be used to import every available function:
+
+ use Variable::Disposition qw(:all);
+
+but it would be safer to use a version instead:
+
+ use Variable::Disposition qw(:v1);
+
+since these are guaranteed not to change in future.
+
+Other functions for use with L<Future> and L<IO::Async> are likely to be
+added later.
+
+=head1 FUNCTIONS
+
+=head2 dispose
+
+Undefines the given variable, then checks that the original ref was destroyed.
+
+ my $x = [1,2,3];
+ dispose $x;
+ # $x is no longer defined.
+
+This is primarily intended for cases where you no longer need a variable, and want
+to ensure that you haven't accidentally captured a strong reference to it elsewhere.
+
+Note that this clears the B<caller>'s variable.
+
+This function is defined with a prototype of ($), since it is only intended for use
+on scalar variables. To clear multiple variables, use a L<foreach> loop:
+
+ my ($x, $y, $z) = ...;
+ dispose $_ for $x, $y, $z;
+ is($x, undef);
+ is($y, undef);
+ is($z, undef);
+
+=head2 retain
+
+Keeps a copy of this variable until program exit or L</dispose>.
+
+Returns the original variable.
+
+=head2 retain_future
+
+Holds a copy of the given L<Future> until it's marked ready, then releases our copy.
+Does not use L</dispose>, since that could interfere with other callbacks attached
+to the L<Future>.
+
+Returns the original L<Future>.
+
+=head1 SEE ALSO
+
+=over 4
+
+=item * L<Devel::Refcount> - assert_oneref is almost identical to this, although it doesn't clear the variable it's called on
+
+=item * L<Closure::Explicit> - provides a sub{} wrapper that will complain if you capture a lexical without explicitly declaring that you're going to do that.
+
+=back
+
+=head1 INHERITED METHODS
+
+=over 4
+
+=item L<Exporter>
+
+L<as_heavy|Exporter/as_heavy>, L<export|Exporter/export>, L<export_fail|Exporter/export_fail>, L<export_ok_tags|Exporter/export_ok_tags>, L<export_tags|Exporter/export_tags>, L<export_to_level|Exporter/export_to_level>, L<import|Exporter/import>, L<require_version|Exporter/require_version>
+
+=back
+
+=head1 AUTHOR
+
+Tom Molesworth <cpan@perlsite.co.uk>
+
+=head1 LICENSE
+
+Copyright Tom Molesworth 2014-2015. Licensed under the same terms as Perl itself.
diff --git a/t/00-check-deps.t b/t/00-check-deps.t
new file mode 100644
index 0000000..175a3f1
--- /dev/null
+++ b/t/00-check-deps.t
@@ -0,0 +1,17 @@
+use strict;
+use warnings;
+
+# this test was generated with Dist::Zilla::Plugin::Test::CheckDeps 0.012
+
+use Test::More 0.94;
+use Test::CheckDeps 0.010;
+
+
+check_dependencies('classic');
+
+
+if (0) {
+ BAIL_OUT("Missing dependencies") if !Test::More->builder->is_passing;
+}
+
+done_testing;
diff --git a/t/00-compile.t b/t/00-compile.t
new file mode 100644
index 0000000..f6155dc
--- /dev/null
+++ b/t/00-compile.t
@@ -0,0 +1,51 @@
+use 5.006;
+use strict;
+use warnings;
+
+# this test was generated with Dist::Zilla::Plugin::Test::Compile 2.051
+
+use Test::More;
+
+plan tests => 1 + ($ENV{AUTHOR_TESTING} ? 1 : 0);
+
+my @module_files = (
+ 'Variable/Disposition.pm'
+);
+
+
+
+# no fake home requested
+
+my $inc_switch = -d 'blib' ? '-Mblib' : '-Ilib';
+
+use File::Spec;
+use IPC::Open3;
+use IO::Handle;
+
+open my $stdin, '<', File::Spec->devnull or die "can't open devnull: $!";
+
+my @warnings;
+for my $lib (@module_files)
+{
+ # see L<perlfaq8/How can I capture STDERR from an external command?>
+ my $stderr = IO::Handle->new;
+
+ my $pid = open3($stdin, '>&STDERR', $stderr, $^X, $inc_switch, '-e', "require q[$lib]");
+ binmode $stderr, ':crlf' if $^O eq 'MSWin32';
+ my @_warnings = <$stderr>;
+ waitpid($pid, 0);
+ is($?, 0, "$lib loaded ok");
+
+ if (@_warnings)
+ {
+ warn @_warnings;
+ push @warnings, @_warnings;
+ }
+}
+
+
+
+is(scalar(@warnings), 0, 'no warnings found')
+ or diag 'got warnings: ', ( Test::More->can('explain') ? Test::More::explain(\@warnings) : join("\n", '', @warnings) ) if $ENV{AUTHOR_TESTING};
+
+
diff --git a/t/000-report-versions-tiny.t b/t/000-report-versions-tiny.t
new file mode 100644
index 0000000..721419e
--- /dev/null
+++ b/t/000-report-versions-tiny.t
@@ -0,0 +1,78 @@
+use strict;
+use warnings;
+use Test::More 0.88;
+# This is a relatively nice way to avoid Test::NoWarnings breaking our
+# expectations by adding extra tests, without using no_plan. It also helps
+# avoid any other test module that feels introducing random tests, or even
+# test plans, is a nice idea.
+our $success = 0;
+END { $success && done_testing; }
+
+# List our own version used to generate this
+my $v = "\nGenerated by Dist::Zilla::Plugin::ReportVersions::Tiny v1.10\n";
+
+eval { # no excuses!
+ # report our Perl details
+ my $want = '5.010001';
+ $v .= "perl: $] (wanted $want) on $^O from $^X\n\n";
+};
+defined($@) and diag("$@");
+
+# Now, our module version dependencies:
+sub pmver {
+ my ($module, $wanted) = @_;
+ $wanted = " (want $wanted)";
+ my $pmver;
+ eval "require $module;";
+ if ($@) {
+ if ($@ =~ m/Can't locate .* in \@INC/) {
+ $pmver = 'module not found.';
+ } else {
+ diag("${module}: $@");
+ $pmver = 'died during require.';
+ }
+ } else {
+ my $version;
+ eval { $version = $module->VERSION; };
+ if ($@) {
+ diag("${module}: $@");
+ $pmver = 'died during VERSION check.';
+ } elsif (defined $version) {
+ $pmver = "$version";
+ } else {
+ $pmver = '<undef>';
+ }
+ }
+
+ # So, we should be good, right?
+ return sprintf('%-45s => %-10s%-15s%s', $module, $pmver, $wanted, "\n");
+}
+
+eval { $v .= pmver('ExtUtils::MakeMaker','6.48') };
+eval { $v .= pmver('File::Spec','any version') };
+eval { $v .= pmver('Future','0.30') };
+eval { $v .= pmver('IO::Handle','any version') };
+eval { $v .= pmver('IPC::Open3','any version') };
+eval { $v .= pmver('Test::CheckDeps','0.010') };
+eval { $v .= pmver('Test::Fatal','0.010') };
+eval { $v .= pmver('Test::More','0.98') };
+eval { $v .= pmver('Test::Refcount','any version') };
+
+
+# All done.
+$v .= <<'EOT';
+
+Thanks for using my code. I hope it works for you.
+If not, please try and include this output in the bug report.
+That will help me reproduce the issue and solve your problem.
+
+EOT
+
+diag($v);
+ok(1, "we really didn't test anything, just reporting data");
+$success = 1;
+
+# Work around another nasty module on CPAN. :/
+no warnings 'once';
+$Template::Test::NO_FLUSH = 1;
+exit 0;
diff --git a/t/basic.t b/t/basic.t
new file mode 100644
index 0000000..42c0310
--- /dev/null
+++ b/t/basic.t
@@ -0,0 +1,54 @@
+use strict;
+use warnings;
+
+use Test::More;
+use Test::Fatal;
+use Variable::Disposition;
+
+{
+ my $x = [1,2,3];
+ isa_ok($x, 'ARRAY');
+ dispose $x;
+ is($x, undef, 'was undefined correctly');
+}
+
+{
+ my $x = [1,2,3];
+ my $copy = $x;
+ like(exception {
+ dispose $x;
+ }, qr/not released/, 'raise an exception if variable is still around');
+ is($x, undef, 'was still undefined correctly');
+ is(exception {
+ dispose $copy;
+ }, undef, 'no exception when last copy goes');
+}
+
+{
+ my $x = 'test';
+ like(exception {
+ dispose $x;
+ }, qr/not a ref/, 'raise an exception when called on non-ref');
+ is($x, 'test', 'still defined');
+ undef $x;
+ like(exception {
+ dispose $x;
+ }, qr/not defined/, 'raise an exception when called on undef');
+}
+
+my $destroyed = 0;
+{
+ {
+ package Local::Test;
+ sub DESTROY { ++$destroyed }
+ }
+ my $x = bless {}, 'Local::Test';
+ is($destroyed, 0, 'not yet destroyed');
+ dispose $x;
+ is($destroyed, 1, 'destroyed after dispose()');
+ is($x, undef, 'was undef');
+}
+is($destroyed, 1, 'still only a single DESTROY called when leaving scope');
+
+done_testing;
+
diff --git a/t/retain.t b/t/retain.t
new file mode 100644
index 0000000..9e74ac5
--- /dev/null
+++ b/t/retain.t
@@ -0,0 +1,26 @@
+use strict;
+use warnings;
+
+use Test::More;
+use Test::Refcount;
+use Variable::Disposition qw(retain dispose);
+
+my $copy;
+{
+ my $x = [];
+ Scalar::Util::weaken($copy = $x);
+ ok($x, 'have a variable');
+ is_refcount($x, 1, 'refcount is now 1');
+ Scalar::Util::weaken($copy = $x);
+ is_refcount($x, 1, 'refcount is still 1');
+ retain($x);
+ is_refcount($x, 2, 'refcount is now 2');
+}
+is_refcount($copy, 1, 'refcount is still 1');
+ok($copy, 'copy still exists');
+dispose($copy);
+is($copy, undef, 'copy went away');
+
+done_testing;
+
+
diff --git a/t/retain_future.t b/t/retain_future.t
new file mode 100644
index 0000000..022c972
--- /dev/null
+++ b/t/retain_future.t
@@ -0,0 +1,32 @@
+use strict;
+use warnings;
+
+use Test::More;
+use Test::Refcount;
+use Variable::Disposition qw(retain_future dispose);
+
+unless(eval { require Future }) {
+ plan skip_all => 'this test requires Future.pm';
+}
+
+for my $resolution (qw(done fail cancel)) {
+ my $f = Future->new;
+ is_refcount($f, 1, 'refcount is 1');
+ retain_future($f);
+ is_refcount($f, 2, 'refcount is now 2');
+ $f->$resolution('...');
+ is_refcount($f, 1, 'refcount is back to 1 after ' . $resolution);
+ dispose($f);
+ is($f, undef, 'goes away after dispose');
+}
+
+{
+ ok(retain_future(Future->done), 'can retain ->done Future');
+ ok(retain_future(Future->fail("...")), 'can retain ->failed Future');
+ ok(retain_future(Future->new->cancel), 'can retain ->cancelled Future');
+}
+
+
+done_testing;
+
+
diff --git a/xt/release/common_spelling.t b/xt/release/common_spelling.t
new file mode 100644
index 0000000..7aed722
--- /dev/null
+++ b/xt/release/common_spelling.t
@@ -0,0 +1,11 @@
+#!/usr/bin/perl
+use strict; use warnings;
+
+use Test::More;
+
+eval "use Test::Pod::Spelling::CommonMistakes";
+if ( $@ ) {
+ plan skip_all => 'Test::Pod::Spelling::CommonMistakes required for testing POD';
+} else {
+ all_pod_files_ok();
+}
diff --git a/xt/release/mojibake.t b/xt/release/mojibake.t
new file mode 100644
index 0000000..390c632
--- /dev/null
+++ b/xt/release/mojibake.t
@@ -0,0 +1,12 @@
+#!perl
+
+use strict;
+use warnings qw(all);
+
+use Test::More;
+
+## no critic (ProhibitStringyEval, RequireCheckingReturnValueOfEval)
+eval q(use Test::Mojibake);
+plan skip_all => q(Test::Mojibake required for source encoding testing) if $@;
+
+all_files_encoding_ok();
diff --git a/xt/release/pod-syntax.t b/xt/release/pod-syntax.t
new file mode 100644
index 0000000..f0468f1
--- /dev/null
+++ b/xt/release/pod-syntax.t
@@ -0,0 +1,6 @@
+#!perl
+# This file was automatically generated by Dist::Zilla::Plugin::PodSyntaxTests.
+use Test::More;
+use Test::Pod 1.41;
+
+all_pod_files_ok();
diff --git a/xt/release/synopsis.t b/xt/release/synopsis.t
new file mode 100644
index 0000000..3e03427
--- /dev/null
+++ b/xt/release/synopsis.t
@@ -0,0 +1,5 @@
+#!perl
+
+use Test::Synopsis;
+
+all_synopsis_ok();
diff --git a/xt/release/test-version.t b/xt/release/test-version.t
new file mode 100644
index 0000000..9bccdf0
--- /dev/null
+++ b/xt/release/test-version.t
@@ -0,0 +1,22 @@
+use strict;
+use warnings;
+use Test::More;
+
+# generated by Dist::Zilla::Plugin::Test::Version 0.003001
+use Test::Version;
+
+my @imports = ( 'version_all_ok' );
+
+my $params = {
+ is_strict => 0,
+ has_version => 1,
+};
+
+push @imports, $params
+ if version->parse( $Test::Version::VERSION ) >= version->parse('1.002');
+
+
+Test::Version->import(@imports);
+
+version_all_ok;
+done_testing;