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# Announce: Rakudo Perl 6 compiler, Release #119 (2018.01) | ||
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On behalf of the Rakudo development team, I’m very happy to announce the | ||
January 2018 release of Rakudo Perl 6 #119. Rakudo is an implementation of | ||
Perl 6 on the Moar Virtual Machine[^1]. | ||
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This release implements the 6.c version of the Perl 6 specifications. | ||
It includes bugfixes and optimizations on top of | ||
the 2015.12 release of Rakudo. | ||
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Upcoming releases in 2018 will include new functionality that is not | ||
part of the 6.c specification, available with a lexically scoped | ||
pragma. Our goal is to ensure that anything that is tested as part of the | ||
6.c specification will continue to work unchanged. There may be incremental | ||
spec releases this year as well. | ||
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The tarball for this release is available from <http://rakudo.org/downloads/rakudo/>. | ||
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Please note: This announcement is not for the Rakudo Star | ||
distribution[^2] — it’s announcing a new release of the compiler | ||
only. For the latest Rakudo Star release, see | ||
<http://rakudo.org/downloads/star/>. | ||
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The changes in this release are outlined below: | ||
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New in 2018.01: | ||
+ Fixes: | ||
+ Fixed IO::CatHandle.read switching handles too soon [dc800d89] | ||
+ Ensured &await can handle flattenable Iterables [1a4df4e1] | ||
+ Made Array.gist limit output to 100 elements [08539c43] | ||
+ Fixed .[count|bool]-only of combinations/permutations [5eed2b00] | ||
[cda4a4d7][2c27eeaa][d4f53ed5][19604c2d] | ||
+ Made sure subclasses of List create consistent .WHICH [18557da9] | ||
+ Fixed Range.pick/roll in light of degenerate Ranges [5c228333][55cb8f3d] | ||
+ Fixed Whatever.ACCEPTS with Mu:U [89d85baa] | ||
+ Fixed signatures that had Int when Int:D was meant [3e044dc7] | ||
+ Guarded subbuf against negative ranges [24f4609e] | ||
+ Fixed some export issues [38897d19] | ||
+ Fixed Slip wrapping of quoteword with one word [ad684de3] | ||
+ Fixed ±Inf/NaN Num to Rat conversions [042cb741][c91bcc2a] | ||
+ Fixed USAGE with subsets/where and variables with quotes [27fbd7ab] | ||
+ Fixed .gist dumping too much output in some cases [de21da30][53a85080] | ||
+ Fixed crash in `eqv` with conted Versions [72ee58e2] | ||
+ Fixed issues with smiley-ed coercers [a177fa99][8dcf9dac][3947a4c1][354a3848] | ||
+ Made sure Rat calculation does not use type objects [9910b393][9adc58c3] | ||
+ Fixed handling of type objects in Date.new [1d034df8][dfaa2282][038b1ea7] | ||
+ Fixed CURFS/CURI .perl output [9cf2f998] | ||
+ Made sure hashes are not interpolated in regexes [f719a471] | ||
+ Fixed explosions when hypering over Buf [7ba50d86] | ||
+ Made &dd more resilient to low-level stuff [99923747][d0be53a1] | ||
+ Fixed .head/.tail to take any Callable [b4007070] | ||
+ Fixed .skip with WhateverCode [d034cb58] | ||
+ Fixed operator chaining with negated operators [ba111cfe][14c2cdb3] | ||
+ Disallowed binding into a List [eed54cae] | ||
+ Fixed `--optimize` flag propagation in EVAL code [e509c1a9] | ||
+ Fixed RatStr .succ/.pred explosion [631875fc] | ||
+ Fixed silent failure when binding to map keys [6a3db334] | ||
+ Fixed R::I::Rotor calling .pull-one too many times [4a82b4b6] | ||
+ Fixed `need` with versions [7537f899][0cdd82a2][0a73f19a][4d5e097a] | ||
+ Fixed the lookup of many core symbols [efdbfeca] | ||
+ Made .range consistently a Str in OutOfRange exceptions [90246e65] | ||
+ Fixed superfluous parsing of ∞ [626991e0] | ||
+ Fixed many POD issues [14c28cae] | ||
+ Various fixes for the JVM backend [4945dc40][4909430c][333efa0b] | ||
[00b7832a][70c57c3a][1e8c9762] | ||
+ Various improvements to useless use warnings [d30e5b1e][c6b7012a] | ||
[64803b0a][ef2dc1b8][99da4a5a][00188757][e9c9dc46] | ||
+ Various improvements to other produced messages [a04c6164][548dcf46] | ||
[6d65cf4f][51e0aa09][82dbada3][e543c890][0444a2c3][e5b4f37f][900c1b59] | ||
[96a3582c][5571d7f7][34160bf0][01ffd0f9][6a6470f9][e91159c5][5f7fdfdd] | ||
[f02606ce][cad66b72][79600d69][2dc93ac3][4ec5936c][ad60b947][732a25c3] | ||
[f8953ee8][ddbf07e8][fa136be2] | ||
+ Additions: | ||
+ Added Str.uniparse as an alias to Str.parse-names [2a8287cf] | ||
+ Added Cool candidate for .is-prime [f01c50f1][23701966][b2b39bad][893d09ff] | ||
+ Added compile time error for misplaced whenever in v6.d.PREVIEW [7672e34c] | ||
[0ec8e088] | ||
+ Removals: | ||
+ Removed deprecation fudge for native type instantiations [e0af68a0] | ||
+ Removed :$CWD param in IO::Path.dir [b3e73b64] | ||
+ Removed :$buffer param in IO::Handle.open [f415d61e] | ||
+ Removed MONKEY BUSINESS env var [ac2e50c8] | ||
+ Removed UInt64 (not to be confused with uint64) [cf154355] | ||
+ Build system: | ||
+ Fetch tags too to avoid potential missing tags [d93f8053] | ||
+ Efficiency: | ||
+ Made adding integers to Rats 22% faster [418fc068] | ||
+ Made Blob.subbuf 1.8x faster [5f48c069] | ||
+ Made `else`-less `if`/`with` blocks 3.4x faster in some cases [1815c368] | ||
+ Made DateTime creation about 1.6x faster [36d71a39] | ||
+ Made Date.new about 1.6x faster [b7170f83] | ||
+ Made use of faster typechecks (7.5x faster) [4c9b84f8][8f71b0e0][10cd405f] | ||
+ Made operator chains up to 2.4x faster [b77d8756] | ||
+ Made `infix:<x>` with bools up to 2x faster [f99943d3] | ||
+ Made `infix:<xx>` with bools up to 16x faster [ca4fcaca] | ||
+ Made |(1,2,3) xx 42 about 3x faster [014f1712] | ||
+ Slightly speeded up adding of `whenever`s [7230b765] | ||
+ Slightly optimized Array.ASSIGN-POS [6e13bfa2][86d91f2d] | ||
+ Made `$a ~= "b"` 70% faster [5dd9ed10] | ||
+ Made constraint checks Num/Int/Str literals 1.1x-10x faster [65d4876d] | ||
+ Micro-opted exit_handler [0415bb5f][b5b6e23b][421504bd][21bc5916] | ||
+ Performatized MetaAssign with MetaReverse [858b659f] | ||
+ Made .sum on 2-element Lists about 30% faster [0af3f4d1] | ||
+ Optimized `supply emit <arg>` [81fe7b82] | ||
+ Optimized Supply internals [32fbefab][9086f4c4][2548c2c5] | ||
+ Improved first touch of Array/Hash variables [eeb3cc72] | ||
+ Optimized more cases of private method calls [b6a236b9] | ||
+ Tuned Lock::Async code stucture [f36a1f4e] | ||
+ Special-cased one top-level whenever supply/react [e5f412d6][2192ddd1] | ||
[2dbc2bcb][e072474e] | ||
+ Made Promise construction slightly faster [2ac1ceaa] | ||
+ Assorted internal improvements to CPU/memory use [00797d07][2130c097] | ||
[7a3d9ce6][9c0db1cd][fbf432f9][4804003a][229b03fd][163f275b] | ||
[83a619ec][64de571b][773d2b9e][0dc4f731][cdb53afa] | ||
+ Internal: | ||
+ Introduced ValueObjAt, the .WHICH for value types [202459ce][4790587f] | ||
+ Introduced Proc!set-status [7a4743be] | ||
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The following people contributed to this release: | ||
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Zoffix Znet, Luca Ferrari, Elizabeth Mattijsen, Tom Browder, | ||
Christian Bartolomäus, Aleks-Daniel Jakimenko-Aleksejev, | ||
Jonathan Worthington, Pawel Murias, Will "Coke" Coleda, Itsuki Toyota, | ||
Jeremy Studer, Alex Chen, JJ Merelo, Moritz Lenz, Jan-Olof Hendig, | ||
Timo Paulssen, Samantha McVey, Wenzel P. P. Peppmeyer, Daniel Green, | ||
David M. Cawthon, David Warring, Marcel Timmerman, Juan Julián Merelo Guervós, | ||
Nick Logan, Brad Gilbert, Dan Zwell, Ben Davies | ||
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If you would like to contribute or find out more information, visit | ||
<http://perl6.org>, <http://rakudo.org/how-to-help>, ask on the | ||
<perl6-compiler@perl.org> mailing list, or ask on IRC #perl6 on freenode. | ||
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Additionally, we invite you to make a donation to The Perl Foundation | ||
to sponsor Perl 6 development: <https://donate.perlfoundation.org/> | ||
(put “Perl 6 Core Development Fund” in the ‘Purpose’ text field) | ||
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The next release of Rakudo (#120), is tentatively scheduled for 2018-02-17. | ||
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A list of the other planned release dates is available in the | ||
“docs/release_guide.pod” file. | ||
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The development team appreciates feedback! If you’re using Rakudo, do | ||
get back to us. Questions, comments, suggestions for improvements, cool | ||
discoveries, incredible hacks, or any other feedback – get in touch with | ||
us through (the above-mentioned) mailing list or IRC channel. Enjoy! | ||
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Please note that recent releases have known issues running on the JVM. | ||
We are working to get the JVM backend working again but do not yet have | ||
an estimated delivery date. | ||
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[^1]: See <http://moarvm.org/> | ||
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[^2]: What’s the difference between the Rakudo compiler and the Rakudo | ||
Star distribution? | ||
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The Rakudo compiler is a compiler for the Perl 6 language. | ||
Not much more. | ||
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The Rakudo Star distribution is the Rakudo compiler plus a selection | ||
of useful Perl 6 modules, a module installer, Perl 6 introductory | ||
documentation, and other software that can be used with the Rakudo | ||
compiler to enhance its utility. |
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