@@ -1,266 +1,211 @@
-2013-06-15 Jarkko Hietaniemi <jhi@iki.fi>
-
- * Fixed "Set::Scalar::Valued" [rt.cpan.org #69037], bug reported
- and fix supplied by Kiran Mukhyala, the problem was in null()
- not being defined for valued set universes.
-
- * Fixed qq[More whitespace in examples could show "picture" of
- operations] [rt.cpan.org #54172 and #54173], bug reported
- and fix supplied by MichaelRWolf. (ASCII art, so relies
- on fixed-width font.)
-
- * Released as 1.26.
-
-2009-12-27 Jarkko Hietaniemi <jhi@iki.fi>
-
- * Fixed "trying to add an element twice prevents further
- adds to the set" [rt.cpan.org #52559], bug reported by
- Eduard Wulff.
-
- * Removed unused and deprecated (Perl 5.12?) "use UNIVERSAL 'isa'"
- from Set/Scalar/Virtual.pm.
-
- * Add tests for the copy overload.
-
- * Released as 1.25.
-
-2009-06-02 Jarkko Hietaniemi <jhi@iki.fi>
-
- * Fixed "The intersection method does not like references in the
- set." [rt.cpan.org #46589], bug reported and fix provided by
- Father Chrysostomos.
-
- * Cosmetics: removed trailing whitespace.
-
- * Renamed README as README.old. It has been close to ten years.
-
- * Added new README.
-
- * Updated copyright years.
-
- * Released as 1.24.
-
-2009-01-16 Jarkko Hietaniemi <jhi@iki.fi>
-
- * Add overload for '@{}' as suggested by John Loverso,
- meaning that you can now do @$set and get the members
- of the set (unordered, mind)
-
- * Add overload for '=' (how did we manage so long without?)
- [rt.cpan.org #42449]
-
- * Remove explicit import of UNIVERSAL::isa()
- [rt.cpan.org #42451]
-
- * Modernize META.yml.
-
- * Released as 1.23.
-
-2007-10-23 Jarkko Hietaniemi <jhi@iki.fi>
-
- * Add cartesian_product() and power_set(), both as full
- constructors and as iterators.
-
- * Add empty_clone().
-
- * Makefile.PL not requiring Test::More since we are not using it.
-
- * Released as 1.22.
-
-2007-10-04 Jarkko Hietaniemi <jhi@iki.fi>
-
- * Made to work with the upcoming Perl 5.005_05
- (yes, you read that right), most importantly
- Scalar::Util made optional (we fall back to
- pure Perl emulations for blessed() and refaddr()
- if necessary). Everything else already worked.
-
- * Released as 1.21.
-
-Sat Aug 6 12:39:43 2005 Jarkko Hietaniemi <jhi@iki.fi>
-
- * [cpan #13816] Set::Scalar blesses unblessed refs
-
- A genuine bug, the suggested fix used, but then again Set::Scalar
- was never designed or tested be used with references as the set
- members. I would not recommend doing that unless much more
- testing has been conducted. A test added to misc.t for that,
- and a warning about using references as the set members added
- to the pod.
-
- * [cpan #13856] funny behavior in Set::Scalar::Base::intersection and Set::Scalar::Base::union
-
- A genuine bug, but the suggested fix as-is would break
- the special cases of intersecting with the null set and
- unioning with the universal set.
- A slightly enhanced version of the fix used instead,
- tests added to intersection.t and union.t.
-
- * [cpan #13857] Set::Scalar::Base::_binary_underload bug
-
- Not really a bug. The _binary_underload() method is only
- ever going to be called by Set::Scalar itself, or by classes
- derived from Set::Scalar, so the assumption that all references
- are object and that they are capable of calling the new() method
- (i.e. being instance of Set::Scalar) is completely valid.
- Trying to use the suggested fix also badly breaks the
- laws.t when the universal and null sets are present.
-
- * Released as 1.20.
-
-Sun Mar 28 17:16:26 2004 Jarkko Hietaniemi <jhi@iki.fi>
-
- * [cpan #5829] When is_disjoint() was called in list
- context, and the result was disjoint (not disjoint
- universes), the return value was a list with one
- undef element, from Alexei.
-
- * Released as 1.19.
+1.29 2014-03-24 Dave Oswald <davido@cpan.org>
+ * Fixed set operations examples in POD (Xaerxess via GitHub).
+
+1.28 2014-02-24 Dave Oswald <davido@cpan.org>
+ * Fix POD example showing power_set() method returning an iterator. Now it
+ correctly demonstrates power_set_iterator() returning an iterator.
+ (Response to report from vagabonding_electron on PerlMonks.)
+
+1.27 2013-12-31 Dave Oswald <davido@cpan.org>
+
+ * Merge pull request for typo fix in POD.
+ * Merge pull request for adding meta-data via Makefile.PL.
+ * ChangeLog is more standards compliant.
+ * Module POD now mentions current maintainer, and GitHub repo.
+
+1.26 2013-06-15 Jarkko Hietaniemi <jhi@iki.fi>
+
+ * Fixed "Set::Scalar::Valued" [rt.cpan.org #69037], bug reported
+ and fix supplied by Kiran Mukhyala, the problem was in null()
+ not being defined for valued set universes.
+ * Fixed qq[More whitespace in examples could show "picture" of
+ operations] [rt.cpan.org #54172 and #54173], bug reported
+ and fix supplied by MichaelRWolf. (ASCII art, so relies
+ on fixed-width font.)
+
+1.25 2009-12-27 Jarkko Hietaniemi <jhi@iki.fi>
+
+ * Fixed "trying to add an element twice prevents further
+ adds to the set" [rt.cpan.org #52559], bug reported by
+ Eduard Wulff.
+ * Removed unused and deprecated (Perl 5.12?) "use UNIVERSAL 'isa'"
+ from Set/Scalar/Virtual.pm.
+ * Add tests for the copy overload.
+
+1.24 2009-06-02 Jarkko Hietaniemi <jhi@iki.fi>
+
+ * Fixed "The intersection method does not like references in the
+ set." [rt.cpan.org #46589], bug reported and fix provided by
+ Father Chrysostomos.
+ * Cosmetics: removed trailing whitespace.
+ * Renamed README as README.old. It has been close to ten years.
+ * Added new README.
+ * Updated copyright years.
+
+1.23 2009-01-16 Jarkko Hietaniemi <jhi@iki.fi>
+
+ * Add overload for '@{}' as suggested by John Loverso,
+ meaning that you can now do @$set and get the members
+ of the set (unordered, mind)
+ * Add overload for '=' (how did we manage so long without?)
+ [rt.cpan.org #42449]
+ * Remove explicit import of UNIVERSAL::isa()
+ [rt.cpan.org #42451]
+ * Modernize META.yml.
+
+1.22 2007-10-23 Jarkko Hietaniemi <jhi@iki.fi>
+
+ * Add cartesian_product() and power_set(), both as full
+ constructors and as iterators.
+ * Add empty_clone().
+ * Makefile.PL not requiring Test::More since we are not using it.
+
+1.21 2007-10-04 Jarkko Hietaniemi <jhi@iki.fi>
+
+ * Made to work with the upcoming Perl 5.005_05
+ (yes, you read that right), most importantly
+ Scalar::Util made optional (we fall back to
+ pure Perl emulations for blessed() and refaddr()
+ if necessary). Everything else already worked.
+
+1.20 2005-08-06 Jarkko Hietaniemi <jhi@iki.fi>
+
+ * [cpan #13816] Set::Scalar blesses unblessed refs
+ A genuine bug, the suggested fix used, but then again Set::Scalar
+ was never designed or tested be used with references as the set
+ members. I would not recommend doing that unless much more
+ testing has been conducted. A test added to misc.t for that,
+ and a warning about using references as the set members added
+ to the pod.
+
+ * [cpan #13856] funny behavior in Set::Scalar::Base::intersection and Set::Scalar::Base::union
+ A genuine bug, but the suggested fix as-is would break
+ the special cases of intersecting with the null set and
+ unioning with the universal set.
+ A slightly enhanced version of the fix used instead,
+ tests added to intersection.t and union.t.
+
+ * [cpan #13857] Set::Scalar::Base::_binary_underload bug
+ Not really a bug. The _binary_underload() method is only
+ ever going to be called by Set::Scalar itself, or by classes
+ derived from Set::Scalar, so the assumption that all references
+ are object and that they are capable of calling the new() method
+ (i.e. being instance of Set::Scalar) is completely valid.
+ Trying to use the suggested fix also badly breaks the
+ laws.t when the universal and null sets are present.
+
+1.19 2004-03-28 Jarkko Hietaniemi <jhi@iki.fi>
+
+ * [cpan #5829] When is_disjoint() was called in list
+ context, and the result was disjoint (not disjoint
+ universes), the return value was a list with one
+ undef element, from Alexei.
+
+1.18 2003-10-04 Jarkko Hietaniemi <jhi@iki.fi>
+
+ * Removed a cut-and-paste bug from symmetric_difference();
+ from frederik.
+
+1.17 2001-12-08 Jarkko Hietaniemi <jhi@iki.fi>
+
+ * Added is_empty() and empty() aliases for is_null()
+ and null(); from Peter Oliver.
+ * In the display callback discussion show by example
+ that one can use the same callback for several sets
+ (instead of generating a new anonymous subroutine each time),
+ and clarify the class versus object method wording.
+
+1.16 2001-10-23 Jarkko Hietaniemi <jhi@iki.fi>
+
+ * Allow customising the set display: as_string_callback().
+ * Got the acknoledgement about the clear() idea wrong:
+ it was Dave Lewis, not Dan Berger.
+ * Document that the clear() does not really release the memory.
+
+1.15 2001-10-22 Jarkko Hietaniemi <jhi@iki.fi>
+
+ * Documentation and whitespace nits.
+
+1.14 2001-10-20 Jarkko Hietaniemi <jhi@iki.fi>
+
+ * Changed has() and contains() to return boolean,
+ not the member, as pointed out by Mark Dilger.
+ * Add clear() method to remove all the elements,
+ as suggested by Dave Lewis. Doesn't release the
+ memory to the operating system, though (in general,
+ Perl doesn't), just releases the memory to be reused
+ by Perl, so don't expect your memory footprint go down
+ when you clear your gigaset.
+
+1.12 2001-10-13 Jarkko Hietaniemi <jhi@iki.fi>
+
+ * Add each() as a lighter weight way of iterating
+ over sets, as suggested by Dave Lewis.
+
+1.11 Wed 2001-10-10 Jarkko Hietaniemi <jhi@iki.fi>
+
+ * In boolean contexts the string representation of sets
+ is not the best possible one, reported by Dan Berger.
+ Now the size of the set is returned in boolean contexts.
+
+1.10 2001-08-03 Jarkko Hietaniemi <jhi@iki.fi>
+
+ * Added COPYRIGHT and LICENSE.
-Sat Oct 4 17:56:24 2003 Jarkko Hietaniemi <jhi@iki.fi>
+1.09 2001-05-07 Jarkko Hietaniemi <jhi@iki.fi>
+
+ * Annotation mixup: The fix known as 1.08 by Mark Dilger,
+ not Joy Koenig.
+
+1.08 2001-05-07 Jarkko Hietaniemi <jhi@iki.fi>
- * Removed a cut-and-paste bug from symmetric_difference();
- from frederik.
+ * Set::Scalar()->new() - Set::Scalar()->new() didn't equal
+ Set::Scalar()->new(), thanks to wrong inheritance order.
+ Spotted and most graciously fixed by Joy Koenig.
+
+1.07 2001-05-05 Jarkko Hietaniemi <jhi@iki.fi>
+
+ * Union could end up returning a true universe, from which one
+ cannot delete elements (e.g. using difference), bug reported
+ by Malcolm Purvis. The fix (which was applied to all of the
+ union+intersection+difference+symmetric_difference) was to
+ 'downgrade' results of the same size as the first argument.
+ * Set::Scalar called itself Set::Scalar::Base.
+
+1.06 2001-02-10 Jarkko Hietaniemi <jhi@iki.fi>
+
+ * Make the code Perl 5.00404-proof, patch from Ed Grimm.
- * Released as 1.18.
+1.04 2001-01-18 Jarkko Hietaniemi <jhi@iki.fi>
-Sat Dec 8 01:48:35 2001 Jarkko Hietaniemi <jhi@iki.fi>
+ * Add examples of the set differences.
+ * NOTE: unique now returns a set, not a list of elements,
+ as it was documented and intended.
+ * unique() was rather broken, reported by Malcolm Purvis.
- * Added is_empty() and empty() aliases for is_null()
- and null(); from Peter Oliver.
+1.03 2000-10-31 Jarkko Hietaniemi <jhi@iki.fi>
- * In the display callback discussion show by example
- that one can use the same callback for several sets
- (instead of generating a new anonymous subroutine each time),
- and clarify the class versus object method wording.
-
- * Released as 1.17.
+ * Use a custom overloaded data stringification routine
+ instead of overload::StrVal(). This solves the memory
+ leak reported by Joshua Richardson <jric@yahoo-inc.com>
+ _and_ speeds up the code by about 40%! (make test timings)
-Tue Oct 23 17:20:32 2001 Jarkko Hietaniemi <jhi@iki.fi>
+1.02 2000-09-15 Jarkko Hietaniemi <jhi@iki.fi>
- * Allow customising the set display: as_string_callback().
+ * Null sets weren't subsets of every set in comparisons.
+ Noticed by Gerard Vreeswijk <gv@cs.uu.nl>.
- * Got the acknoledgement about the clear() idea wrong:
- it was Dave Lewis, not Dan Berger.
+1.01 2000-04-15 Jarkko Hietaniemi <jhi@iki.fi>
- * Document that the clear() does not really release the memory.
-
- * Released as 1.16.
+ * Make to work with perl 5.6.0.
+ * Release as 1.01 as no bug reports have been seen for many moons.
-Mon Oct 22 20:18:56 2001 Jarkko Hietaniemi <jhi@iki.fi>
+0.901 1999-09-24 Jarkko Hietaniemi <jhi@iki.fi>
- * Documentation and whitespace nits: 1.14.
-
- * Released as 1.15.
-
-Sat Oct 20 02:56:21 2001 Jarkko Hietaniemi <jhi@iki.fi>
-
- * Changed has() and contains() to return boolean,
- not the member, as pointed out by Mark Dilger.
-
- * Add clear() method to remove all the elements,
- as suggested by Dave Lewis. Doesn't release the
- memory to the operating system, though (in general,
- Perl doesn't), just releases the memory to be reused
- by Perl, so don't expect your memory footprint go down
- when you clear your gigaset.
-
- * Released as 1.13.
-
-Sat Oct 13 17:40:28 2001 Jarkko Hietaniemi <jhi@iki.fi>
-
- * Add each() as a lighter weight way of iterating
- over sets, as suggested by Dave Lewis.
-
- * Released as 1.12.
-
-Wed Oct 10 17:31:12 2001 Jarkko Hietaniemi <jhi@iki.fi>
-
- * In boolean contexts the string representation of sets
- is not the best possible one, reported by Dan Berger.
- Now the size of the set is returned in boolean contexts.
-
- * Released as 1.11.
-
-Fri Aug 3 15:42:38 2001 Jarkko Hietaniemi <jhi@iki.fi>
-
- * 1.10: Added COPYRIGHT and LICENSE.
-
-Mon May 7 17:53:18 2001 Jarkko Hietaniemi <jhi@iki.fi>
-
- * Annotation mixup: The fix known as 1.08 by Mark Dilger,
- not Joy Koenig.
-
- * Released as 1.09.
-
- * Set::Scalar()->new() - Set::Scalar()->new() didn't equal
- Set::Scalar()->new(), thanks to wrong inheritance order.
- Spotted and most graciously fixed by Joy Koenig.
-
- * Released as 1.08.
-
-Mon Mar 5 16:31:32 2001 Jarkko Hietaniemi <jhi@iki.fi>
-
- * Union could end up returning a true universe, from which one
- cannot delete elements (e.g. using difference), bug reported
- by Malcolm Purvis. The fix (which was applied to all of the
- union+intersection+difference+symmetric_difference) was to
- 'downgrade' results of the same size as the first argument.
-
- * Set::Scalar called itself Set::Scalar::Base.
-
- * Released as 1.07.
-
-Sat Feb 10 00:54:29 2001 Jarkko Hietaniemi <jhi@iki.fi>
-
- * Make the code Perl 5.00404-proof, patch from Ed Grimm.
-
- * Released as 1.06.
-
-Thu Jan 18 08:24:20 2001 Jarkko Hietaniemi <jhi@iki.fi>
-
- * Add examples of the set differences.
-
- * NOTE: unique now returns a set, not a list of elements,
- as it was documented and intended.
-
- * Released as 1.05.
-
- * unique() was rather broken, reported by Malcolm Purvis.
-
- * Released as 1.04.
-
-Tue Oct 31 03:09:03 2000 Jarkko Hietaniemi <jhi@iki.fi>
-
- * Use a custom overloaded data stringification routine
- instead of overload::StrVal(). This solves the memory
- leak reported by Joshua Richardson <jric@yahoo-inc.com>
- _and_ speeds up the code by about 40%! (make test timings)
-
- * Released as 1.03.
-
-Fri Sep 15 18:56:08 2000 Jarkko Hietaniemi <jhi@iki.fi>
-
- * Null sets weren't subsets of every set in comparisons.
- Noticed by Gerard Vreeswijk <gv@cs.uu.nl>.
-
- * Released as 1.02.
-
-2000-04-15 Jarkko Hietaniemi <jhi@iki.fi>
-
- * Make to work with perl 5.6.0.
-
- * Release as 1.01 as no bug reports have been seen for many moons.
-
-1999-09-24 Jarkko Hietaniemi <jhi@iki.fi>
-
- * Paul Schinder <schinder@pobox.com> reported that the set_set.t
- subtest #5 produces "(a (b (a (c ...) ...)) (c ...))" for him,
- not "(a (b (a ...)) (c ...))" as expected. Nondeterminism
- in stringification. Not yet resolved but the test hacked
- to allow either (for subtests #5 and #6).
-
- * Timothy Kimball <kimball@stsci.edu> reported that Set::Scalar 0.9
- had the super/subsetness the wrong way round. Fixed.
-
- * Set::Scalar 0.901 released.
+ * Paul Schinder <schinder@pobox.com> reported that the set_set.t
+ subtest #5 produces "(a (b (a (c ...) ...)) (c ...))" for him,
+ not "(a (b (a ...)) (c ...))" as expected. Nondeterminism
+ in stringification. Not yet resolved but the test hacked
+ to allow either (for subtests #5 and #6).
+ * Timothy Kimball <kimball@stsci.edu> reported that Set::Scalar 0.9
+ had the super/subsetness the wrong way round. Fixed.
@@ -4,7 +4,7 @@
"Jarkko Hietaniemi <jhi@iki.fi>"
],
"dynamic_config" : 1,
- "generated_by" : "ExtUtils::MakeMaker version 6.6302, CPAN::Meta::Converter version 2.120630",
+ "generated_by" : "ExtUtils::MakeMaker version 6.86, CPAN::Meta::Converter version 2.133380",
"license" : [
"perl_5"
],
@@ -35,5 +35,12 @@
}
},
"release_status" : "stable",
- "version" : "1.26"
+ "resources" : {
+ "repository" : {
+ "type" : "git",
+ "url" : "https://github.com/daoswald/Set-Scalar.git",
+ "web" : "https://github.com/daoswald/Set-Scalar"
+ }
+ },
+ "version" : "1.29"
}
@@ -7,7 +7,7 @@ build_requires:
configure_requires:
ExtUtils::MakeMaker: 0
dynamic_config: 1
-generated_by: 'ExtUtils::MakeMaker version 6.6302, CPAN::Meta::Converter version 2.120630'
+generated_by: 'ExtUtils::MakeMaker version 6.86, CPAN::Meta::Converter version 2.133380'
license: perl
meta-spec:
url: http://module-build.sourceforge.net/META-spec-v1.4.html
@@ -18,4 +18,6 @@ no_index:
- t
- inc
requires: {}
-version: 1.26
+resources:
+ repository: https://github.com/daoswald/Set-Scalar.git
+version: 1.29
@@ -8,12 +8,18 @@ WriteMakefile(
'NAME' => 'Set::Scalar',
'VERSION_FROM' => 'lib/Set/Scalar.pm',
'dist' => { 'COMPRESS' => 'gzip' },
- PREREQ_PM =>
- {
- # 'Scalar::Util' => 0, # Not a requirement anymore.
- # 'Test::More' => 0,
- },
+ PREREQ_PM => { },
AUTHOR => 'Jarkko Hietaniemi <jhi@iki.fi>',
+ META_MERGE => {
+ 'meta-spec' => { version => 2 },
+ resources => {
+ repository => {
+ type => 'git',
+ url => 'https://github.com/daoswald/Set-Scalar.git',
+ web => 'https://github.com/daoswald/Set-Scalar',
+ },
+ },
+ },
($ExtUtils::MakeMaker::VERSION >= 6.3002 ?
('LICENSE'=> 'perl', ) : ()),
)
@@ -7,4 +7,5 @@ Please see lib/Set/Scalar.pm for more information, once you have
installed this module, "perldoc Set::Scalar" should work.
--
-jhi@iki.fi
+jhi@iki.fi : Original author.
+davido@cpan.org : Current maintainer.
@@ -1,3 +1,5 @@
+---- THE FOLLOWING DOCUMENT IS PRESERVED FOR ITS HISTORICAL VALUE ONLY. ----
+
This is a long-waited-for (I hope) rewrite of the venerable Set::Scalar
module. The original 0.00x series culminated in 0.003 back in May 1996,
the 0.004 in October 1998 was just a minor update.
@@ -5,8 +5,9 @@ use strict;
require Exporter;
-use vars qw(@ISA @EXPORT_OK);
+use vars qw($VERSION @ISA @EXPORT_OK);
+$VERSION = '1.29';
@ISA = qw(Exporter);
BEGIN {
@@ -3,8 +3,9 @@ package Set::Scalar::Null;
use strict;
local $^W = 1;
-use vars qw(@ISA);
+use vars qw($VERSION @ISA);
+$VERSION = '1.29';
@ISA = qw(Set::Scalar::Base Set::Scalar::Virtual);
use Set::Scalar::Virtual;
use Set::Scalar::Base;
@@ -3,8 +3,9 @@ package Set::Scalar::Real;
use strict;
local $^W = 1;
-use vars qw(@ISA);
+use vars qw($VERSION @ISA);
+$VERSION = '1.29';
@ISA = qw(Set::Scalar::Base);
use Set::Scalar::Base qw(_make_elements _binary_underload);
@@ -3,8 +3,9 @@ package Set::Scalar::Universe;
use strict;
local $^W = 1;
-use vars qw(@ISA);
+use vars qw($VERSION @ISA);
+$VERSION = '1.29';
@ISA = qw(Set::Scalar::Virtual Set::Scalar::Base);
use Set::Scalar::Base qw(_make_elements);
@@ -3,8 +3,9 @@ package Set::Scalar::Valued;
use strict;
local $^W = 1;
-use vars qw(@ISA);
+use vars qw($VERSION @ISA);
+$VERSION = '1.29';
@ISA = qw(Set::Scalar::Base Set::Scalar::Real);
use Set::Scalar::Base qw(_make_elements as_string _strval);
@@ -3,8 +3,9 @@ package Set::Scalar::ValuedUniverse;
use strict;
local $^W = 1;
-use vars qw(@ISA);
+use vars qw($VERSION @ISA);
+$VERSION = '1.29';
@ISA = qw(Set::Scalar::Virtual Set::Scalar::Base);
use Set::Scalar::Virtual;
@@ -3,8 +3,9 @@ package Set::Scalar::Virtual;
use strict;
local $^W = 1;
-use vars qw(@ISA);
+use vars qw($VERSION @ISA);
+$VERSION = '1.29';
@ISA = qw(Set::Scalar::Base);
use Set::Scalar::Base qw(_make_elements as_string _compare _strval);
@@ -5,8 +5,7 @@ use strict;
use vars qw($VERSION @ISA);
-$VERSION = '1.26';
-
+$VERSION = '1.29';
@ISA = qw(Set::Scalar::Real Set::Scalar::Null Set::Scalar::Base);
use Set::Scalar::Base qw(_make_elements is_equal as_string_callback);
@@ -150,21 +149,21 @@ Some examples of the various set differences below
set or difference value
- $a (a b c d e _ _ _ _ _)
- $b (_ _ _ c d e f g _ _)
- $c (_ _ _ _ _ e f g h i)
+ $a (a b c d e _ _ _ _)
+ $b (_ _ c d e f g _ _)
+ $c (_ _ _ _ e f g h i)
- $a->difference($b) (a b _ _ _ _ _ _ _ _)
- $a->symmetric_difference($b) (a b _ _ _ _ f g _ _)
- $a->unique($b) (a b _ _ _ _ f g _ _)
+ $a->difference($b) (a b _ _ _ _ _ _ _)
+ $a->symmetric_difference($b) (a b _ _ _ f g _ _)
+ $a->unique($b) (a b _ _ _ f g _ _)
- $b->difference($a) (_ _ _ _ _ _ f g _ _)
- $b->symmetric_difference($a) (a b _ _ _ _ f g _ _)
- $b->unique($a) (a b _ _ _ _ f g _ _)
+ $b->difference($a) (_ _ _ _ _ f g _ _)
+ $b->symmetric_difference($a) (a b _ _ _ f g _ _)
+ $b->unique($a) (a b _ _ _ f g _ _)
- $a->difference($b, $c) (a b _ _ _ _ _ _ _ _)
- $a->symmetric_difference($b, $c) (a b _ _ e _ _ _ h i)
- $a->unique($b, $c) (a b _ _ _ _ _ _ h i)
+ $a->difference($b, $c) (a b _ _ _ _ _ _ _)
+ $a->symmetric_difference($b, $c) (a b _ _ e _ _ h i)
+ $a->unique($b, $c) (a b _ _ _ _ _ h i)
=head2 Comparing
@@ -280,7 +279,7 @@ The Cartesian product of the above is the set
([a, c] [a, d] [a, e] [b, c] [b, d] [b, e])
-The [,] notation is for the ordered pairs, which sets are are not.
+The [,] notation is for the ordered pairs, which sets are not.
This means two things: firstly, that [e, b] is B<not> in the above
Cartesian product, and secondly, [b, b] is a possibility:
@@ -334,7 +333,7 @@ Even the empty set has a power set, of size one.
If you don't want to construct the power set, you can construct an
iterator and call it until it returns no more members:
- my $iter = Set::Scalar->power_set($a);
+ my $iter = Set::Scalar->power_set_iterator($a);
my @m;
do {
@m = $iter->();
@@ -396,6 +395,8 @@ intervals, and many more. CPAN is your friend.
=head1 AUTHOR
Jarkko Hietaniemi <jhi@iki.fi>
+David Oswald <davido@cpan.org> is the current maintainer.
+The GitHub repo is at L<https://github.com/daoswald/Set-Scalar>
=head1 COPYRIGHT AND LICENSE
@@ -4,7 +4,7 @@ use strict;
$| = 1;
-print STDERR "(WARNING: this can take a while)...";
+print STDERR "# (WARNING: this can take awhile)...\n";
my $t = 1;