dotty | The Scala 3 compiler , also known as Dotty | Compiler library

 by   lampepfl Scala Version: 3.3.1-RC1 License: Apache-2.0

kandi X-RAY | dotty Summary

kandi X-RAY | dotty Summary

dotty is a Scala library typically used in Utilities, Compiler applications. dotty has no bugs, it has no vulnerabilities, it has a Permissive License and it has medium support. You can download it from GitHub.

The Scala 3 compiler, also known as Dotty.
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              dotty has a medium active ecosystem.
              It has 5343 star(s) with 959 fork(s). There are 216 watchers for this library.
              There were 5 major release(s) in the last 12 months.
              There are 1064 open issues and 6244 have been closed. On average issues are closed in 399 days. There are 143 open pull requests and 0 closed requests.
              It has a neutral sentiment in the developer community.
              The latest version of dotty is 3.3.1-RC1

            kandi-Quality Quality

              dotty has no bugs reported.

            kandi-Security Security

              dotty has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.

            kandi-License License

              dotty is licensed under the Apache-2.0 License. This license is Permissive.
              Permissive licenses have the least restrictions, and you can use them in most projects.

            kandi-Reuse Reuse

              dotty releases are available to install and integrate.

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            dotty Key Features

            No Key Features are available at this moment for dotty.

            dotty Examples and Code Snippets

            No Code Snippets are available at this moment for dotty.

            Community Discussions

            QUESTION

            How to make a div always be the largest size it could be and not dynamically resize?
            Asked 2022-Apr-01 at 19:17

            I have the following code:

            ...

            ANSWER

            Answered 2022-Apr-01 at 17:47

            why not just add a width:100px to .loading?

            Source https://stackoverflow.com/questions/71710876

            QUESTION

            Scala 3: "assertion failed: denotation class Int invalid in run 1."
            Asked 2022-Mar-21 at 16:48

            I am calling Scala 3's compiler as a library, which gives you CompilationUnit per source after compilation. This has tpdTree, which by the sound of it should contain type information.

            I'm trying to walk the tree to get any type symbol as:

            ...

            ANSWER

            Answered 2022-Mar-21 at 14:56

            You need to run the query in a context where the run value is the same as when the definitions were created (or is a later run, but an earlier run is not valid).

            The error message you are seeing is that you ask about a denotation of a symbol at run 1, which is conceptually before it was created at run 2.

            See https://www.youtube.com/watch?v=WxyyJyB_Ssc for a video where the run/phase concept is explained.

            Source https://stackoverflow.com/questions/71559189

            QUESTION

            Merge 2 tuples in Scala 2
            Asked 2022-Mar-14 at 10:22

            Are there any ways to merge two tuples in Scala 2 that is equivalenet to ++ in Scala 3 Tuple - Scala3

            I can do this to concatenate two tuples in Scala 3:

            ...

            ANSWER

            Answered 2022-Mar-14 at 06:18

            You can add an extension method to Tuple2

            Source https://stackoverflow.com/questions/71462975

            QUESTION

            Why can't I hover and click the Threejs transformation tools?
            Asked 2021-Oct-29 at 08:12

            I'm trying to make a tool to be able to move the custom model that I created. The first step I did was to display the transform tool and perform the change action. But I can't hover or click the transform tool. Am I missing something in my code?

            ...

            ANSWER

            Answered 2021-Oct-29 at 08:12

            The code you shared seems to be ok (probably taken from this TransformationExtension, right?) but since it's only a part of the implementation, it's hard to tell what's wrong there. Do you perhaps see any errors or warnings in the console?

            Btw. I've recently implemented a similar transformation tool/extension in one of my code samples: https://github.com/petrbroz/forge-simple-viewer-nodejs/tree/experiment/xform-tool. You should be able to drop the TransformToolExtension.js into your Forge app, include the extension's ID when initializing the viewer (like I do here), and be good to go.

            Source https://stackoverflow.com/questions/69751565

            QUESTION

            Expand Code to Raw AST Scala 3 in the REPL
            Asked 2021-Oct-03 at 11:11

            I am currently doing a lot of compiler research. This not only entails to writing compiler plugins but also modifying the dotty compiler, from the parser to the typer. Therefore I need to constantly look at the raw ASTs to sketch the necessary transformations.

            In Scala 2, the reflection library provided the following functionality:

            ...

            ANSWER

            Answered 2021-Oct-03 at 11:08

            You can define your own reify in your project

            Source https://stackoverflow.com/questions/69420704

            QUESTION

            Another subtype after a type bound in scala
            Asked 2021-Aug-14 at 19:28

            class PEControl[T <: Data : Arithmetic](accType: T), this is a class definition from riscv-gemmini. The Data type is the basic data type in chisel, Arithmetic provides some arithmetic operation on Data, and abstract class Arithmetic[T <: Data].

            What is the syntax used for the <: Type : Type, what does this mean? I find that the syntax is called TypeParamBounds ::= TypeBounds {‘:’ Type} from here. Where can I get some detail about it, thanks.

            ...

            ANSWER

            Answered 2021-Aug-14 at 03:44

            Type bounds are a shorthand for:

            Source https://stackoverflow.com/questions/68780056

            QUESTION

            How to run Scala 3 applications in the command line with Coursier
            Asked 2021-Jul-20 at 17:19

            If you follow the steps at the official Scala 3 sites, like Dotty or Scala Lang then it recommends using Coursier to install Scala 3. The problem is that neither or these explain how to run a compiled Scala 3 application after following the steps.

            Scala 2:

            ...

            ANSWER

            Answered 2021-Jul-20 at 17:19

            Currently there does not seem to be a way to launch a runner for Scala 3 using coursier, see this issue. As a workaround, you can install the binaries from the github release page. Scroll all the way down passed the contribution list to see the .zip file and download and unpack it to some local folder. Then put the unpacked bin directory on your path. After a restart you will get the scala command (and scalac etc) in terminal.

            Another workaround is using the java runner directly with a classpath from coursier by this command:

            Source https://stackoverflow.com/questions/68041159

            QUESTION

            Does the Scala 3 library have a Show typeclass that works with `derives`?
            Asked 2021-Jul-09 at 00:49

            In Scala 3 it is possible to get the compiler to derive instances of certain typeclasses using the derives TC syntax.

            The documentation page here https://dotty.epfl.ch/docs/reference/contextual/derivation.html gives an example of deriving from typeclasses Eq Ordering and Show, saying that these typeclasses are "common examples".

            1. Is Show in the library somewhere?
            2. If not, is there a typeclass for pretty printing in the standard library?
            3. Have I been spoiled by Haskell?
            ...

            ANSWER

            Answered 2021-Jul-09 at 00:49
            1. I guess no. At least not so far. It's easy to define it yourself. And it's easy to define many custome flavors of it (for any necessary use case).

            2. I guess no.

            3. Probably you are :) As well as by cats, scalaz etc.

            https://typelevel.org/cats/typeclasses/show.html

            https://github.com/scalaz/scalaz/blob/series/7.3.x/core/src/main/scala/scalaz/Show.scala

            Source https://stackoverflow.com/questions/68306575

            QUESTION

            Getting MirroredElemLabels from Mirror
            Asked 2021-Jul-09 at 00:26

            Scala 3's scala.deriving.Mirror has a type member MirroredElemLabels which is a tuple of string literals. What's the standard way to get that type as a value?

            EDIT: here's the code that produces a compiler error from trying to use summonAll

            ...

            ANSWER

            Answered 2021-Jul-09 at 00:26

            Try to use scala.ValueOf

            Source https://stackoverflow.com/questions/68294850

            QUESTION

            Pyspark (from csv file) is loading dataframe in a different format
            Asked 2021-Jun-28 at 01:01

            (I am new to pyspark) I am trying to read a csv file into a pyspark dataframe as follows:

            ...

            ANSWER

            Answered 2021-Jun-28 at 01:01

            You can use the custom escape character with the multiLine option.

            Source https://stackoverflow.com/questions/68153879

            Community Discussions, Code Snippets contain sources that include Stack Exchange Network

            Vulnerabilities

            No vulnerabilities reported

            Install dotty

            You can download it from GitHub.

            Support

            [Getting Started as Contributor](https://dotty.epfl.ch/docs/contributing/getting-started.html).
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            https://github.com/lampepfl/dotty.git

          • CLI

            gh repo clone lampepfl/dotty

          • sshUrl

            git@github.com:lampepfl/dotty.git

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