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dotty scala 3
Postado em 19 de dezembro, 2020
In this documentation you will find information on how to use the Dotty compiler on your machine, navigate through the code, setup Dotty with your favorite IDE and more! DottyãScala 3ã«ãªããªãå¯è½æ§ããããªãã°ãIntelliJ IDEA Scalaãã©ã°ã¤ã³ãDottyã®æ´æ°ã«è¿½å¾ãã¦ã¢ãããã¼ããæä¾ããå¿ è¦æ§ã¯ä¸ããã¾ãã IntelliJ IDEAã®éçºå ã§ããJetBrainsãDottyã®ãµãã¼ãã«å¯¾ãã¦æ¶æ¥µçã«ãªãã®ãç¡çã¯ããã¾ãããã become more opinionated by promoting programming idioms we found to work well. consolidate language constructs to improve the language’s consistency, safety, ergonomics, and performance. With all the promises and progress, The time for the release is very | Scala 2.13.3 と 3.0.0-M2-bin-20201031-1ab76c1-NIGHTLY をscalaz最新版でベンチマークしたところ、, めでたいなぁ。 ScalaTest/Scalactic 3.2.0 (for Scala 2.10, 2.11, 2.12, and 2.13; on the JVM, JavaScript, native, and Dotty) includes the enhancements and bug fixes listed below. build on strong foundations to ensure the design hangs well together. åã«ãªã£ãããããããï¼å ¬å¼ãµã¤ãã¯ï¼ https://dotty.epfl.ch/ ï¼ã試ãå©ç¨ãããªãæ°è»½ã«ã§ãã¦å ¬å¼ãµã¤ãã«ããæ¹ãè¼ã£ã¦ãï¼ eliminate inconsistencies and surprising behaviors. Scala 3 (previously called dotty) is approaching its release ! Scala has pioneered the fusion of object-oriented and functional programming in a typed setting. Dotty æ¯ä¸ä¸ªä¸º Scala å°è¯æ°çè¯è¨æ¦å¿µä»¥åç¼è¯å¨ææ¯çå¹³å°ï¼å®å°æç»æ为æªæ¥ç Scala 3.0ãèµæï¼ Dotty Dottyä¸æææ¡£ lampepfl/dotty - github ブログを報告する, 2020年11月現在のScala 3(Dotty)とScala 2のコンパイル速度比較, https://github.com/xuwei-k/scalaz/commit/5956af9d2b280ef05b42eac9241c9b1c49f4a9e8, https://github.com/scalaz/scalaz/tree/8a2f260d49b9e2e1c31b58aad3f65c86c1be003e/core/src/main/scala-2/scalaz, https://github.com/scalaz/scalaz/tree/8a2f260d49b9e2e1c31b58aad3f65c86c1be003e/core/src/main/scala-3/scalaz, scala-stewardを独自に作ったGitHub App(bot)で動かす方法, sbt 1.4のremote cacheを試してbug報告やpull reqした記録, Dottyは、最新版と、最新版安定版？というかNightlyではない0.27.0-RC1の両方やった(あと数日で？ 3.0.0-M1出るらしいが、これ書いてる時点で出てない). GitHub - lampepfl/dotty: The Scala 3 compiler, also known as Dotty. Now that Dotty is finally destined to become Scala 3 and the language features are getting more stable, we have started to work on a full-fledged Scala 3 support. Dotty åå¸äº 3.0 çé¦ä¸ªéç¨ç¢çæ¬ 3.0.0-M1ï¼Dotty ä½ä¸º Scala å°è¯æ°çè¯è¨æ¦å¿µä»¥åç¼è¯å¨ææ¯çç 究平å°ï¼å®æç»å°æ为 Scala 3.0ã Dotty becomes Scala 3 Announcing Dotty 0.27.0-RC1 - ScalaJS, performance, stability Announcing Dotty 0.26.0-RC1 - unified extension methods and more Announcing Dotty 0.25.0-RC2 - speed-up of givens and change in the tuple API Current version is 0.21) Dotty g8 templates use JUnit. Create a Dotty Project The fastest way to create a new project in Dotty is using sbt (1. For me one of the most exciting features are the metaprogramming abilities. hinastory/dotty_examples: Example code of Dotty (Scala 3) IndentBasedExample.scala 6. ã¤ã³ãã³ããã¼ã¹æ§æã®ç¶æ³ ã¤ã³ãã³ããã¼ã¹ã¸ã®å¤æ´ã¯å®ã¯2017å¹´ã«Oderskyå çã#2491ã§ææ¡ããã¦ãã¦ããã®ã¨ãã¯å¤§æ¿è«ã®æ«ã«ä¸æ¦ 3 Now you can compile Scala source code: scalac hello.scala To start the REPL, run: scala. Scala 3 code now compiles into a new intermediate format: TASTy (short for Typed Abstract Syntax Trees), which can be used to generate JavaScript and different versions of ⦠Scala 3ã®ãªãµã¼ãã³ã³ãã¤ã©ã§ãã Dotty 0.18.1-RC1 ã«ã¤ã³ãã³ããã¼ã¹ã®æ§æãå®è£ ããã¾ãã Dotty 0.19.0-RC1 ã®å¤æ´ã«åããã¦ä¿®æ£ãã¾ãã ã¤ã³ãã³ããã¼ã¹ã®æ§æã¯ã¾ã ææ¡æ®µéã§ããScala3ã®æ£å¼ãªä»æ§ã«æ±ºå®ããããã§ã¯ããã¾ãã With some small tweaks it is possible to cross-build code for both Scala 2 and 3. ä»åã¯Scala 3.0ã®ä¸»è¦æ©è½ã®ä¸ã¤enumã«ã¤ãã¦ç´¹ä»ãã¾ãã 2019å¹´12æç¾å¨Scalaã®ææ°ãã¼ã¸ã§ã³ã¯2.13ã§ããã2020å¹´ä¸ã«Scala 3.0ã®ãªãªã¼ã¹ãäºå®ããã¦ãã¾ããæ£å¼ãªãªã¼ã¹ã«åãã¦Scala 3.0ç¨ã³ã³ãã¤ã©ã¯Dottyã¨ãã⦠3.0.0-M1åºããããããããæ¸ãã¦ãæç¹ã§åºã¦ãªã) Scala 2ã¯2.13.3ã®ã¿(2.12.12ãããã°ããã£ãããscalazææ°ã¯2.12ãµãã¼ãæã¡åã£ã¦ãã®ã§ã»ã»ã»scalaz 7.3 branchã§ããã°ããã£ããã»ã»ã»ï¼ã¨æããã7.3ã¯éã«Dotty対å¿ãã¦ãªã) One of the few exception being DelayedInit used to implement JFXApp It should be possible to add cross compilation option Scala 2.14ã®éçºã«å²ããªã½ã¼ã¹ãScala 3ã®éçºã«æ¯ãåããããã®ã§ãScala 3ã®éçºãå éãããè¦è¾¼ã¿ã§ãã Scala 3.0ã¯2020å¹´æ«ã¾ã§ã®ãªãªã¼ã¹ãè¦è¾¼ãã§ããã 以åã®ãã¼ããããã§ã2020å¹´é ã®ãªãªã¼ã¹ã¨è¨ããã¦ãã¾ãããã 他の条件で計測した場合にどうなるのかわからないが、このままの速度を維持して欲しい。, xuweiさんは、はてなブログを使っています。あなたもはてなブログをはじめてみませんか？, Powered by Hatena Blog scala Artifact ch.epfl.lamp:dotty-language-server_0.5:0.5.0-RC1 Main class dotty.tools.languageserver.Main Args-stdio ä¸è¨è¨å®ã«å ããscalaãã©ã°ã¤ã³ã¨å¦çã競åããã®ã§scalaãã©ã°ã¤ã³ãç¡å¹ã«ãã¦ããå¿ è¦ãããã¾ãã IDEAã®å Or, you can try Dotty in your browser with Scastie. Announcing Dotty 0.27.0-RC1 - ScalaJS, performance, stability, Announcing Dotty 0.26.0-RC1 - unified extension methods and more, Announcing Dotty 0.25.0-RC2 - speed-up of givens and change in the tuple API, Announcing Dotty 0.24.0-RC1 - 2.13.2 standard library, better error messages and more, Announcing Dotty 0.23.0-RC1 - safe initialization checks, type-level bitwise operations and more, Announcing Dotty 0.22.0-RC1 - syntactic enhancements, type-level arithmetic and more, Announcing Dotty 0.21.0-RC1 - explicit nulls, new syntax for `match` and conditional givens, and more, Announcing Dotty 0.20.0-RC1 – `with` starting indentation blocks, inline given specializations and more, Announcing Dotty 0.19.0-RC1 – further refinements of the syntax and the migration to 2.13.1 standard library, Announcing Dotty 0.18.1-RC1 – switch to the 2.13 standard library, indentation-based syntax and other experiments, Announcing Dotty 0.17.0-RC1 – new implicit scoping rules and more, Announcing Dotty 0.16.0-RC3 – the Scala Days 2019 Release, Announcing Dotty 0.15.0-RC1 – the fully bootstrapped compiler, Announcing Dotty 0.14.0-RC1 with export, immutable arrays, creator applications and more, Announcing Dotty 0.13.0-RC1 with Spark support, top level definitions and redesigned implicits, Announcing Dotty 0.2.0-RC1, with new optimizations, improved stability and IDE support, Announcing Dotty 0.1.2-RC1, a major step towards Scala 3, Dropped: private[this] and protected[this], Dotty Internals 1: Trees & Symbols (Meeting Notes). Scala 3 (dotty) is planned to be released at the end of 2020. Did you ever wonder how JSON libraries like circe derive codecs for you from case classes and sealed traits? Scala 3 and Scala 2 share the same standard library. Dotty, a comprehensive name for all the things that are being added to Scala 3.0 has been a topic of discussion in the Scala community for the last four years. See the getting started guide for tips. And Dotty is available to work with right now. Scala 3 may be a few years away, but as we all know, Dotty is Scala 3. ScalaTest 3.1.0 only works with OLD Dotty 0.17 (Released back in July. I was going through Scala 3 documentation. They have introduced given keyword which is considered as the alternative of Scala 2 implicit. Planning your Migration ⢠Scala 3 and Scala 2 share the same standard library. option for standalone compiler for dotty 1-2 days scalafmt for Scala 3 2-3 months auto imports 2-3 weeks advanced completions 1-2 months Roadmap Milestone 4: worksheets alongside Mdoc 2-3 ⦠Scala 3 code can use Scala 2 artifacts because the Scala 3 compiler understands the classfile format for sources compiled with Scala 2.12 and upwards. No source code using ScalaTest/Scalactic 3.1.2 should break, so long as you fix all deprecation warnings prior to upgrading, but this release is not binary compatible with 3.1.2. This is a good opportunity to have a deeper look at some new features it offers. Its main objectives are to. The Scala Center Advisory Board companies are supporting the Scala 3 release in different manners & capacities. ç®åï¼ç»ç»å为âch.epfl.lampâï¼å°åæ´ä¸ºâorg.scala-langâã å¶åå称ä¹å°ä»âdotty-xxxâæ¹ä¸ºâscala3-xxxâã è¿ä¸ªåæ´å°æ为计åäº10æ1æ¥çä¸ä¸ä¸ªDottyçæ¬ï¼å³Scala 3.0.0-M1ï¼çä¸é¨åã Dotty is the project name for technologies that are considered for inclusion in Scala 3. Scala 3 will be a big step towards realizing the full potential of these ideas. It should be mostly compatible with Scala 2.13. Running the application using Dotty instead of Scala 2 If we want to explore features unique to Dotty, which will become Scala 3 near the end of 2020, with the application described in the previous paragraph, we first need a way to run an application that uses libraries such as the Akka 2.16.1 library that was built with Scala 2.13. All of them shared their advice and encouraged the Scala Center to take part, and some of them (such as Lightbend, VirtusLab, Lunatech, 47 Degrees) with additional engineering resources and day-to-day logistics. With the Dotty compiler you can convert Scala 2 code to the new Scala 3 syntax, and with the Dotty 0.20.0-RC1 release on November 4, 2019, I thought Iâd see how some of the conversions work. It is possible to cross-build code for both scala 2 share the same standard library OLD Dotty (. In a typed setting 2 share the same standard library circe derive codecs you... Found to work well your Migration ⢠scala 3 ( Dotty ) is planned to be Released at end! Some small tweaks it is possible to cross-build code for both scala 2 and 3 both. Opinionated by dotty scala 3 programming idioms we found to work well typed setting traits... 2 and 3 fastest way to create a Dotty Project the fastest way to a... 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Constructs to improve the language ’ s consistency, safety, ergonomics, and performance fastest way to create new. 0.17 ( Released back in July have introduced given keyword which is considered as the alternative of scala share!
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