Thank you very much Nicola! On Thu, Jan 29, 2015 at 7:24 PM, Nicola Mometto <brobro...@gmail.com> wrote:
> > Jozef, I looked into this and opened a ticket with a proposed patch to > fix this issue: http://dev.clojure.org/jira/browse/CLJ-1650 > > Jozef Wagner writes: > > > With CLJ-979 applied, lein may crash when doing :aot :all. This is caused > > when lein forces recompilation of already compiled classes. Not sure > > whether this should be considered a lein of clojure bug though. > > > > See https://github.com/wagjo/aotbug for contrived example. > > > > Jozef > > > > On Saturday, January 10, 2015 at 4:37:04 PM UTC+1, Alex Miller wrote: > >> > >> Clojure 1.7.0-alpha5 is now available. > >> > >> Try it via > >> - Download: > >> https://repo1.maven.org/maven2/org/clojure/clojure/1.7.0-alpha5/ > >> - Leiningen: [org.clojure/clojure "1.7.0-alpha5"] > >> > >> A few of the highlights in alpha5: > >> > >> 1) New transducer arities for map-indexed, distinct, and interpose. > >> The transducer versions are generally faster than the sequence versions. > >> See CLJ-1601 for more details. > >> > >> 2) The set and vec functions should now be faster in many cases. Some of > >> the > >> vec improvements will not kick in until CLJ-1499 is committed in the > >> future. > >> See CLJ-1546 and CLJ-1618 for more details. > >> > >> 3) Two particularly troublesome AOT classloading bugs have been > addressed > >> - > >> CLJ-979 and CLJ-1544. Many other tickets were found to be duplicates of > >> one of > >> these as well. Big thanks to Nicola Mometto for doing the hard work on > >> debugging and providing fixes for these. > >> > >> For all changes new in alpha5, see the issues marked "(alpha5)" in the > >> full changes below. > >> > >> ------------------------------------------------------------ > >> Clojure 1.7.0-alpha5 has the changes below from 1.6.0: > >> > >> ## 1 New and Improved Features > >> > >> ### 1.1 Transducers > >> > >> Transducers is a new way to decouple algorithmic transformations from > their > >> application in different contexts. Transducers are functions that > transform > >> reducing functions to build up a "recipe" for transformation. > >> > >> Also see: http://clojure.org/transducers > >> > >> Many existing sequence functions now have a new arity (one fewer > argument > >> than before). This arity will return a transducer that represents the > same > >> logic but is independent of lazy sequence processing. Functions included > >> are: > >> > >> * conj (conjs to []) > >> * map > >> * mapcat > >> * filter > >> * remove > >> * take > >> * take-while > >> * drop > >> * drop-while > >> * cycle > >> * take-nth > >> * replace > >> * partition-by > >> * partition-all > >> * keep > >> * keep-indexed > >> * map-indexed (alpha5) > >> * distinct (alpha5) > >> * interpose (alpha5) > >> > >> Additionally some new transducer functions have been added: > >> > >> * cat - concatenates the contents of each input > >> * de-dupe - removes consecutive duplicated values > >> * random-sample - returns items from coll with random probability > >> > >> And this function can be used to make completing transforms: > >> > >> * completing > >> > >> There are also several new or modified functions that can be used to > apply > >> transducers in different ways: > >> > >> * sequence - takes a transformation and a coll and produces a lazy seq > >> * transduce - reduce with a transformation (eager) > >> * eduction - returns a reducible/seqable/iterable seq of applications of > >> the transducer to items in coll. Applications are re-performed with > every > >> reduce/seq/iterator. > >> * run! - run the transformation for side effects on the collection > >> > >> There have been a number of internal changes to support transducers: > >> > >> * volatiles - there are a new set of functions (volatile!, vswap!, > >> vreset!, volatile?) to create and use volatile "boxes" to hold state in > >> stateful transducers. Volatiles are faster than atoms but give up > atomicity > >> guarantees so should only be used with thread isolation. > >> * array iterators - added support for iterators over arrays > >> > >> Some related issues addressed during development: > >> * [CLJ-1511](http://dev.clojure.org/jira/browse/CLJ-1511) > >> * [CLJ-1497](http://dev.clojure.org/jira/browse/CLJ-1497) > >> * [CLJ-1549](http://dev.clojure.org/jira/browse/CLJ-1549) > >> * [CLJ-1537](http://dev.clojure.org/jira/browse/CLJ-1537) > >> * [CLJ-1554](http://dev.clojure.org/jira/browse/CLJ-1554) > >> * [CLJ-1601](http://dev.clojure.org/jira/browse/CLJ-1601) (alpha5) > >> * [CLJ-1606](http://dev.clojure.org/jira/browse/CLJ-1606) (alpha5) > >> * [CLJ-1621](http://dev.clojure.org/jira/browse/CLJ-1621) (alpha5) > >> * [CLJ-1600](http://dev.clojure.org/jira/browse/CLJ-1600) (alpha5) > >> > >> ### 1.2 Keyword and Symbol Construction > >> > >> In response to issues raised in [CLJ-1439]( > >> http://dev.clojure.org/jira/browse/CLJ-1439), > >> several changes have been made in symbol and keyword construction: > >> > >> 1) The main bottleneck in construction of symbols (which also occurs > >> inside keywords) was > >> interning of the name and namespace strings. This interning has been > >> removed, resulting > >> in a performance increase. > >> > >> 2) Keywords are cached and keyword construction includes a cache check. > A > >> change was made > >> to only clear the cache reference queue when there is a cache miss. > >> > >> ### 1.3 Warn on Boxed Math > >> > >> One source of performance issues is the (unintended) use of arithmetic > >> operations on > >> boxed numbers. To make detecting the presence of boxed math easier, a > >> warning will now > >> be emitted about boxed math if \*unchecked-math* is set to > :warn-on-boxed > >> (any truthy > >> value will enable unchecked-math, only this specific value enables the > >> warning). > >> > >> Example use: > >> > >> user> (defn plus-2 [x] (+ x 2)) ;; no warning, but boxed > >> #'user/plus-2 > >> user> (set! *unchecked-math* :warn-on-boxed) > >> true > >> user> (defn plus-2 [x] (+ x 2)) ;; now we see a warning > >> Boxed math warning, NO_SOURCE_PATH:10:18 - call: public static > >> java.lang.Number > >> clojure.lang.Numbers.unchecked_add(java.lang.Object,long). > >> #'user/plus-2 > >> user> (defn plus-2 [^long x] (+ x 2)) ;; use a hint to avoid boxing > >> #'user/plus-2 > >> > >> * [CLJ-1325](http://dev.clojure.org/jira/browse/CLJ-1325) > >> * [CLJ-1535](http://dev.clojure.org/jira/browse/CLJ-1535) > >> > >> ### 1.4 update - like update-in for first level > >> > >> `update` is a new function that is like update-in specifically for > >> first-level keys: > >> > >> (update m k f args...) > >> > >> Example use: > >> > >> user> (update {:a 1} :a inc) > >> {:a 2} > >> user> (update {:a 1} :a + 2) > >> {:a 3} > >> user> (update {} :a identity) ;; missing returns nil > >> {:a nil} > >> > >> * [CLJ-1251](http://dev.clojure.org/jira/browse/CLJ-1251) > >> > >> ## 2 Enhancements > >> > >> ### 2.1 Error messages > >> > >> * [CLJ-1261](http://dev.clojure.org/jira/browse/CLJ-1261) > >> Invalid defrecord results in exception attributed to consuming ns > >> instead of defrecord ns > >> * [CLJ-1169](http://dev.clojure.org/jira/browse/CLJ-1169) > >> Report line,column, and source in defmacro errors > >> * [CLJ-1297](http://dev.clojure.org/jira/browse/CLJ-1297) > >> Give more specific hint if namespace with "-" not found to check file > >> uses "_" > >> > >> ### 2.2 Documentation strings > >> > >> * [CLJ-1417](http://dev.clojure.org/jira/browse/CLJ-1417) > >> clojure.java.io/input-stream has incorrect docstring > >> * [CLJ-1357](http://dev.clojure.org/jira/browse/CLJ-1357) > >> Fix typo in gen-class doc-string > >> * [CLJ-1479](http://dev.clojure.org/jira/browse/CLJ-1479) > >> Fix typo in filterv example > >> * [CLJ-1480](http://dev.clojure.org/jira/browse/CLJ-1480) > >> Fix typo in defmulti docstring > >> * [CLJ-1477](http://dev.clojure.org/jira/browse/CLJ-1477) > >> Fix typo in deftype docstring > >> * [CLJ-1478](http://dev.clojure.org/jira/browse/CLJ-1378) > >> Fix typo in clojure.main usage > >> > >> ### 2.3 Performance > >> > >> * [CLJ-1430](http://dev.clojure.org/jira/browse/CLJ-1430) > >> Improve performance of partial with more unrolling > >> * [CLJ-1384](http://dev.clojure.org/jira/browse/CLJ-1384) > >> clojure.core/set should use transients for better performance > >> * [CLJ-1429](http://dev.clojure.org/jira/browse/CLJ-1429) > >> Cache unknown multimethod value default dispatch > >> * [CLJ-1529](http://dev.clojure.org/jira/browse/CLJ-1529) > >> Reduce compile times by avoiding unnecessary calls to Class.forName() > >> * [CLJ-1546](http://dev.clojure.org/jira/browse/CLJ-1546) (alpha5) > >> vec is now faster on almost all inputs > >> * [CLJ-1618](http://dev.clojure.org/jira/browse/CLJ-1618) (alpha5) > >> set is now faster on almost all inputs > >> > >> ### 2.4 Other enhancements > >> > >> * [CLJ-1191](http://dev.clojure.org/jira/browse/CLJ-1191) > >> Improve apropos to show some indication of namespace of symbols found > >> * [CLJ-1378](http://dev.clojure.org/jira/browse/CLJ-1378) > >> Hints don't work with #() form of function > >> * [CLJ-1498](http://dev.clojure.org/jira/browse/CLJ-1498) > >> Removes owner-thread check from transients - this check was preventing > >> some valid usage of transients in core.async where a transient is > created > >> on one thread and then used again in another pooled thread (while still > >> maintaining thread isolation). > >> * [CLJ-803](http://dev.clojure.org/jira/browse/CLJ-803) > >> Extracted IAtom interface implemented by Atom. > >> * [CLJ-1315](http://dev.clojure.org/jira/browse/CLJ-1315) > >> Don't initialize classes when importing them > >> * [CLJ-1330](http://dev.clojure.org/jira/browse/CLJ-1330) > >> Class name clash between top-level functions and defn'ed ones > >> * [CLJ-1349](http://dev.clojure.org/jira/browse/CLJ-1349) > >> Update to latest test.generative and add dependency on test.check > >> * [CLJ-1546](http://dev.clojure.org/jira/browse/CLJ-1546) (alpha5) > >> vec now works with things that only implement Iterable or IReduceInit > >> * [CLJ-1618](http://dev.clojure.org/jira/browse/CLJ-1618) (alpha5) > >> set now works with things that only implement Iterable or IReduceInit > >> * [CLJ-1633](http://dev.clojure.org/jira/browse/CLJ-1633) (alpha5) > >> PersistentList/creator doesn't handle ArraySeqs correctly > >> > >> ## 3 Bug Fixes > >> > >> * [CLJ-1362](http://dev.clojure.org/jira/browse/CLJ-1362) > >> Reduce broken on some primitive vectors > >> * [CLJ-1388](http://dev.clojure.org/jira/browse/CLJ-1388) > >> Equality bug on records created with nested calls to map->record > >> * [CLJ-1274](http://dev.clojure.org/jira/browse/CLJ-1274) > >> Unable to set compiler options via system properties except for AOT > >> compilation > >> * [CLJ-1241](http://dev.clojure.org/jira/browse/CLJ-1241) > >> NPE when AOTing overrided clojure.core functions > >> * [CLJ-1185](http://dev.clojure.org/jira/browse/CLJ-1185) > >> reductions does not check for reduced value > >> * [CLJ-1039](http://dev.clojure.org/jira/browse/CLJ-1039) > >> Using def with metadata {:type :anything} throws ClassCastException > >> during printing > >> * [CLJ-887](http://dev.clojure.org/jira/browse/CLJ-887) > >> Error when calling primitive functions with destructuring in the arg > >> vector > >> * [CLJ-823](http://dev.clojure.org/jira/browse/CLJ-823) > >> Piping seque into seque can deadlock > >> * [CLJ-738](http://dev.clojure.org/jira/browse/CLJ-738) > >> <= is incorrect when args include Double/NaN > >> * [CLJ-1408](http://dev.clojure.org/jira/browse/CLJ-1408) > >> Make cached string value of Keyword and Symbol transient > >> * [CLJ-1466](http://dev.clojure.org/jira/browse/CLJ-1466) > >> clojure.core/bean should implement Iterable > >> * [CLJ-1578](http://dev.clojure.org/jira/browse/CLJ-1578) > >> Make refer of Clojure core function not throw exception on reload > >> * [CLJ-1501](http://dev.clojure.org/jira/browse/CLJ-1501) > >> LazySeq equals() should not use equiv() logic > >> * [CLJ-1572](http://dev.clojure.org/jira/browse/CLJ-1572) (alpha5) > >> into (and other fns that rely on reduce) require only IReduceInit > >> * [CLJ-1619](http://dev.clojure.org/jira/browse/CLJ-1619) (alpha5) > >> PersistentVector now directly implements reduce without init > >> * [CLJ-1580](http://dev.clojure.org/jira/browse/CLJ-1580) (alpha5) > >> Transient collections should guarantee thread visibility > >> * [CLJ-1590](http://dev.clojure.org/jira/browse/CLJ-1590) (alpha5) > >> Some IReduce/IReduceInit implementors don't respect reduced > >> * [CLJ-979](http://dev.clojure.org/jira/browse/CLJ-979) (alpha5) > >> Clojure resolves to wrong deftype classes when AOT compiling or > reloading > >> * [CLJ-1544](http://dev.clojure.org/jira/browse/CLJ-1544) (alpha5) > >> AOT bug involving namespaces loaded before AOT compilation started > >> > > -- > > -- > You received this message because you are subscribed to the Google > Groups "Clojure" group. > To post to this group, send email to clojure@googlegroups.com > Note that posts from new members are moderated - 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