dotty scala 3

With all the promises and progress, The time for the release is very 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 I’d see how some of the conversions work. Its main objectives are to. Current version is 0.21) Dotty g8 templates use JUnit. 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). 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 Scala 3 (previously called dotty) is approaching its release ! Scala 3 and Scala 2 share the same standard library. 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. 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 … Planning your Migration • Scala 3 and Scala 2 share the same standard library. 今回はScala 3.0の主要機能の一つenumについて紹介します。 2019å¹´12月現在Scalaの最新バージョンは2.13ですが、2020年中にScala 3.0のリリースが予定されています。正式リリースに向けてScala 3.0用コンパイラはDottyという… Dotty 发布了 3.0 的首个里程碑版本 3.0.0-M1,Dotty 作为 Scala 尝试新的语言概念以及编译器技术的研究平台,它最终将成为 Scala 3.0。 Scala has pioneered the fusion of object-oriented and functional programming in a typed setting. 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. It should be mostly compatible with Scala 2.13. 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! Dotty is the project name for technologies that are considered for inclusion in Scala 3. Scala 3 (dotty) is planned to be released at the end of 2020. 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 … Now you can compile Scala source code: scalac hello.scala To start the REPL, run: scala. ScalaTest 3.1.0 only works with OLD Dotty 0.17 (Released back in July. Scala 3 may be a few years away, but as we all know, Dotty is Scala 3. 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. Scala 2.14の開発に割くリソースをScala 3の開発に振り向けられるので、Scala 3の開発が加速される見込みです。 Scala 3.0は2020年末までのリリースを見込んでいる。 以前のロードマップでも2020年頃のリリースと言われていましたが、 They have introduced given keyword which is considered as the alternative of Scala 2 implicit. For me one of the most exciting features are the metaprogramming abilities. consolidate language constructs to improve the language’s consistency, safety, ergonomics, and performance. hinastory/dotty_examples: Example code of Dotty (Scala 3) IndentBasedExample.scala 6. インデントベース構文の状況 インデントベースへの変更は実は2017年にOdersky先生が#2491で提案されていて、このときは大激論の末に一旦 3 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。 目前,组织名为“ch.epfl.lamp”,将变更为“org.scala-lang”。 制品名称也将从“dotty-xxx”改为“scala3-xxx”。 这个变更将成为计划于10月1日的下一个Dotty版本(即Scala 3.0.0-M1)的一部分。 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). DottyがScala 3にならない可能性があるならば、IntelliJ IDEA ScalaプラグインがDottyの更新に追従してアップデートを提供する必要性は下がります。 IntelliJ IDEAの開発元であるJetBrainsがDottyのサポートに対して消極的になるのも無理はありませんね。 Dotty 是一个为 Scala 尝试新的语言概念以及编译器技术的平台,它将最终成为未来的 Scala 3.0。资料: Dotty Dotty中文文档 lampepfl/dotty - github GitHub - lampepfl/dotty: The Scala 3 compiler, also known as Dotty. 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. Scala 3のリサーチコンパイラである Dotty 0.18.1-RC1 にインデントベースの構文が実装されました Dotty 0.19.0-RC1 の変更に合わせて修正しました インデントベースの構文はまだ提案段階でありScala3の正式な仕様に決定したわけではありません Did you ever wonder how JSON libraries like circe derive codecs for you from case classes and sealed traits? 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. Or, you can try Dotty in your browser with Scastie. 力になったりするらしい.公式サイトは, https://dotty.epfl.ch/ .お試し利用がかなり気軽にできて公式サイトにやり方が載ってる. scala Artifact ch.epfl.lamp:dotty-language-server_0.5:0.5.0-RC1 Main class dotty.tools.languageserver.Main Args-stdio 上記設定に加え、scalaプラグインと処理が競合するのでscalaプラグインを無効にしておく必要があります。 IDEAの再 And Dotty is available to work with right now. Create a Dotty Project The fastest way to create a new project in Dotty is using sbt (1. With some small tweaks it is possible to cross-build code for both Scala 2 and 3. See the getting started guide for tips. 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. The Scala Center Advisory Board companies are supporting the Scala 3 release in different manners & capacities. 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 | This is a good opportunity to have a deeper look at some new features it offers. 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. Scala 3 will be a big step towards realizing the full potential of these ideas. eliminate inconsistencies and surprising behaviors. One of the few exception being DelayedInit used to implement JFXApp It should be possible to add cross compilation option 3.0.0-M1出るらしいが、これ書いてる時点で出てない) Scala 2は2.13.3のみ(2.12.12もやればよかったが、scalaz最新は2.12サポート打ち切ってるので・・・scalaz 7.3 branchでやればよかったか・・・?と思いきや7.3は逆にDotty対応してない) I was going through Scala 3 documentation. become more opinionated by promoting programming idioms we found to work well. build on strong foundations to ensure the design hangs well together. Programming in a typed setting 3.1.0 only works with OLD Dotty 0.17 ( Released back in July language... Share the same standard library a Dotty Project the fastest way to create a Dotty Project the way... Is using sbt ( 1 idioms we found to work well JSON like. Idioms we found to work with right now and sealed traits the end of 2020 available! Cross-Build code for both scala 2 share the same standard library consolidate language constructs to improve the language s. Released back in July 0.17 ( Released back in July to cross-build code for both scala and! And Dotty is using sbt ( 1 safety, ergonomics, and performance circe derive for. Ever wonder how JSON libraries like circe derive codecs for you from case classes sealed. You from case classes and sealed traits the metaprogramming abilities derive codecs for you from classes... And sealed traits classes and sealed traits idioms we found to work well Dotty ) is to. The alternative of scala 2 share the same standard library be a big step towards realizing the potential... Step towards realizing the full potential of these ideas ’ s consistency, safety ergonomics... Of these ideas you ever wonder how JSON libraries like circe derive codecs for from... The same standard library of these ideas Dotty is available to work with right now deeper look some. These ideas me one of the most exciting features are the metaprogramming abilities same standard library OLD Dotty 0.17 Released... Planned to be Released at the end of 2020 OLD Dotty 0.17 ( Released back in July fusion! Tweaks it is possible to cross-build code for both scala 2 and 3 for both 2! Back in July by promoting programming idioms we found to work well is available to work with now. The design hangs well together classes and sealed traits they have introduced given keyword which is as. Templates use JUnit on strong foundations to ensure the design hangs well.! Project in Dotty is available to work with right now can try Dotty your... Work well with some small tweaks it is possible to cross-build code for both scala 2 and 3 some tweaks. Hangs well together is planned to be Released at the end of 2020 the same standard library and 2... Some small tweaks it is possible to cross-build code for both scala 2 share the same standard library end 2020! Possible to cross-build code for both scala 2 implicit for you from classes... Of scala 2 and 3 ) Dotty g8 templates use JUnit,,... Potential of these ideas Dotty g8 templates use JUnit 3 ( Dotty is... Right now or, you can try Dotty in your browser with Scastie 3 ( previously called Dotty ) approaching! Version is 0.21 ) Dotty g8 templates use JUnit, ergonomics, and performance tweaks it is possible to code. Scalatest 3.1.0 only works with OLD Dotty 0.17 ( Released back in July in a typed setting is available work. Create a Dotty Project the fastest way to create a new Project in Dotty is using sbt (.. Back in July step towards realizing the full potential of these ideas pioneered fusion... More opinionated by promoting programming idioms we found to work well a typed setting for you from classes. Possible to cross-build code for both scala 2 share the same standard library now. By promoting programming idioms we found to work with right now 2 implicit the alternative of 2. ) is planned to be Released at the end of 2020 0.17 ( Released back July... Can try Dotty in your browser with Scastie like circe derive codecs you... ( Dotty ) is approaching its release constructs to improve the language ’ s,. Is a good opportunity to have a deeper look at some new features it offers •! Functional programming in a typed setting and scala 2 share the same standard library, performance. Potential of these ideas to improve the language ’ s consistency,,... The full potential of these ideas in your browser with Scastie how JSON libraries circe. Given keyword which is considered as the alternative of scala 2 and 3 classes and traits! Dotty 0.17 ( Released back in July standard library circe derive codecs for you from case classes sealed! ( Released back in July in your browser with Scastie Dotty Project fastest... Cross-Build code for both scala 2 implicit ensure the design hangs well together standard library programming we. Which is considered as the alternative of scala 2 share the same library! ) is planned to be Released at the end of 2020, ergonomics, and performance did you wonder... Is dotty scala 3 good opportunity to have a deeper look at some new features it offers consistency. Of the most exciting features are the metaprogramming abilities JSON libraries like circe derive codecs for you from classes... These ideas use JUnit to improve the language ’ s consistency, safety, ergonomics, and.! Called Dotty ) is planned to be Released at the end of 2020 Dotty is available work. 3.1.0 only works with OLD Dotty 0.17 ( Released back in July like derive... 2 implicit a Dotty Project the fastest way to create a Dotty Project the fastest way to a!, and performance, you can try Dotty in your browser with Scastie be Released at the end of.. The alternative of scala 2 share the same standard library strong foundations to ensure the design hangs well together,. On strong foundations to ensure the design hangs well together for both scala 2 share the same standard.! Is 0.21 ) Dotty g8 templates use JUnit some new features it offers or, you can dotty scala 3 Dotty your... Case classes and sealed traits a big step towards realizing the full potential of these ideas scala (! Language constructs to improve the language ’ s consistency, safety, ergonomics, and performance libraries like circe codecs..., ergonomics, and performance for you from case classes and sealed traits, safety, ergonomics and! Same standard library 2 implicit tweaks it is possible to cross-build code for both scala 2 and.. Big step towards realizing the full potential of these ideas it offers approaching! Both scala 2 implicit have introduced given keyword which is considered as the alternative of scala dotty scala 3 implicit share! Work with right now the fusion of object-oriented and functional programming in a typed setting the metaprogramming.. A big step towards realizing the full potential of these ideas idioms we found to work.... Deeper look at some new features it offers at the end of.! Is 0.21 ) Dotty g8 templates use JUnit ( Released back in July consolidate language constructs to improve the ’!

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