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authorjnthn <jnthn@jnthn.net>2013-01-30 18:35:50 +0100
committerjnthn <jnthn@jnthn.net>2013-01-30 18:36:46 +0100
commit24eab1504974e7d6229373109b28bfb632056d2e (patch)
parent05a30fbe05c3df59cee3e947f2b43018c43bcac2 (diff)
Add a 2013.01 release announcement.2013.01
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+Announce: Rakudo Star - a useful, usable, "early adopter" distribution of Perl 6
+On behalf of the Rakudo and Perl 6 development teams, I'm happy to
+announce the January 2013 release of "Rakudo Star", a useful and
+usable distribution of Perl 6. The tarball for the January 2013
+release is available from <http://rakudo.org/downloads/star/>.
+A Windows .MSI version of Rakudo star will usually appear in
+the downloads area shortly after the tarball release.
+In the Perl 6 world, we make a distinction between the language
+("Perl 6") and specific implementations of the language such as
+"Rakudo Perl". This Star release includes release 2013.01 [0] of the
+Rakudo Perl 6 compiler [1], version 4.10.0 of the Parrot Virtual
+Machine [2], and various modules, documentation, and other
+resources collected from the Perl 6 community.
+Some of the new features added to this release include:
+* Sink context (what some other languages call void context) is now enforced
+ correctly. This means that for-loops are now lazy by default. It fixes the
+ bug where a map in sink context would not execute, and also means that a
+ Failure returned to sink context will be properly thrown.
+* 'require' now works with indirect module names
+* Restored socket read semantics to returning the requested number of bytes
+* $obj.Some::Role::meth() now passes the correct $obj
+* try/CATCH now returns Nil when the CATCH is triggered, rather than the
+ exception; this brings it in line with try without a CATCH
+* whatever-star cases of splice now implemented
+* can now import multis with the same name from different modules,
+ provided all dispatchers are onlystar
+This release also contains a range of bug fixes, improvements to error reporting
+and better failure modes.
+The following features have been deprecated or modified from previous
+releases due to changes in the Perl 6 specification, and are being removed
+or changed as follows:
+* postcircumfix:<[ ]> and postcircumfix:<{ }> will become multi-subs rather
+ than multi-methods. Both at_pos and at_key will remain methods.
+* Unary hyper ops currently descend into nested arrays and hashes.
+ This will change to make them equivalent to a one-level map.
+* The Str.ucfirst builtin is deprecated; it will be replaced by Str.tc.
+* Leading whitespace in rules and under :sigspace will no longer be
+ converted to <.ws> . For existing regexes that expect this conversion,
+ add a <?> in front of leading whitespace to make it meta again.
+* The ?-quantifier on captures in regexes currently binds the capture
+ slot to a List containing either zero or one Match objects; i.e., it
+ is equivalent to "** 0..1". In the future, the ?-quantifier will
+ bind the slot directly to a captured Match or to Nil. Existing code
+ can manage the transition by changing existing ?-quantifiers to
+ use "** 0..1", which will continue to return a List of matches.
+There are some key features of Perl 6 that Rakudo Star does not
+yet handle appropriately, although they will appear in upcoming
+releases. Some of the not-quite-there features include:
+ * advanced macros
+ * threads and concurrency
+ * Unicode strings at levels other than codepoints
+ * interactive readline that understands Unicode
+ * non-blocking I/O
+ * much of Synopsis 9
+There is an online resource at http://perl6.org/compilers/features
+that lists the known implemented and missing features of Rakudo
+and other Perl 6 implementations.
+In many places we've tried to make Rakudo smart enough to inform the
+programmer that a given feature isn't implemented, but there are
+many that we've missed. Bug reports about missing and broken
+features are welcomed at <rakudobug@perl.org>.
+See http://perl6.org/ for links to much more information about
+Perl 6, including documentation, example code, tutorials, reference
+materials, specification documents, and other supporting resources.
+A draft of a Perl 6 book is available as <docs/UsingPerl6-draft.pdf>
+in the release tarball.
+The development team thanks all of the contributors and sponsors
+for making Rakudo Star possible. If you would like to contribute,
+see <http://rakudo.org/how-to-help>, ask on the perl6-compiler@perl.org
+mailing list, or join us on IRC #perl6 on freenode.
+[0] https://github.com/rakudo/rakudo/blob/nom/docs/announce/2013.01
+[1] http://github.com/rakudo/rakudo
+[2] http://parrot.org/