Kotlin ep.kt -run @techtonik wrote: What is the point in making double work with: kotlin ep.kt -include-runtime -d ep.jar java -jar ep.jar Why not just make it a single command? kotlin ep.kt -run Posts: 1 Participants: 1 Read full topic

Is there standard way to use multiple resources? @vbezhenar wrote: Something like getConnection().use { connection -> connection.createStatement().use { statement -> statement.executeQuery(sql).use { resultSet -> while (resultSet.next()) { ... } } } } looks weird with multiple nested levels for multiple resources. I rolled my own simple implementation for multiple resources: class Resources : AutoCloseable { val resources =...

Disable Kotlin compiler process keepalive? @jtietema wrote: Is there a way to disable the keepalive of the Kotlin compiler process? I am running via Android Studio in a gradle based Android project. The UI toggle in settings, seems to be borken / not implemented. Is that a flag I can pass to gradle that will signal the kotlin compiler to exit? Alternatively is there a way to limit the memory usage? It seems to inherit the JVM memory settings from the...

JsName annotation for shared code @nimloth05 wrote: The @JsName annotation works great for specifying the js-name but it doesn't work (1.1.2) for shared code. Is there a way for specifying the annotation on shared code? I guess the annotation should be moved to kotlin-stdlib-common? Posts: 1 Participants: 1 <a href="https://discuss.kotlinlang.org/t/jsname-annotation-for-shared-code/2623">Read...

All-open compiler plugin -&amp;gt; Open-By-Default compiler plugin @rbygrave wrote: So yes we have the All-open compiler plugin, reference https://kotlinlang.org/docs/reference/compiler-plugins.html I am one of those people in the "open by default" camp (we lost, tears were had, moving on ...). Without rehashing all the reasons ... I look at the "All-Open" compiler plugin and...

Compile a single executable with all dependencies @techtonik wrote: I was asked to evaluate Kotlin as an alternative to learning Java. Running my script currently requires these two long commands: kotlin hello.kt -include-runtime -cp xchange-core-4.2.0.jar;xchange-bitstamp-4.2.0.jar -d hello.jar java -cp...

UX of command line dependency management @techtonik wrote: Coming from Python world, we've got a pip installer there, which takes dependencies info from requirements.txt file in human readable format and installs them, often in virtual environment, which is isolated from the system location with packages. In Java world everything is...

Any Suggested Persistent Data Structure Library for Kotlin @jacksonfang wrote: Hi， unlike Clojure and Scala, Kotlin do not have the Persistent Data Structure Library as its standard library 。 Is there any good library to suggest? Posts: 1 Participants: 1 Read full topic

Define default value for a type @miguelangellv wrote: Maybe could be useful can define default value for a types for delete boilerplate Example: class Person { var name: String = "" var lastName: String = "" var address: String = "" } String.default = "" class Person { var name := String var lastName := String var address := String } When you use * := * you must import the default value from a file...

Stuck at first base starting with kotlin @innov8ian wrote: I am trying to evaluate kotlin for our team, so i wanted to try some code I downloaded Intellij IDEA found an up to date tutorial on getting started : kotlinlang.org <a href="https://kotlinlang.org/docs/tutorials/getting-started.html" target="_blank" rel="nofollow...

Kotlin 1.1.3 EAP @Alexey.Andreev wrote: We're happy to announce the EAP for Kotlin 1.1.3. The final release is going to happen in the first half of June. What's new Rainbow highlighting for local variables and parameters Inline hints for parameter names (enabled by default) and inferred types (disabled by default, can be enabled in Settings | Editor | General | Appearance | Show parameter name hints | Configure...)...

Kotlin vs. Java – An Android Developer's First Impressions @areineck wrote: Kotlin vs. Java – An Android Developer's First Impressions Posts: 1 Participants: 1 Read full topic

Yay. Just tried prepack and got 434kb Hello world! @Konstantin-Khvan wrote: https://prepack.io/ actually works pretty good with kotlin.js stdlib My setup is manually concat kotlin.js + HelloWorld.js, use prepack on result and uglify prepack output. Got 434kb js file which actually outputs Hello World With just uglify/webpack output is 608kb ~150% size Posts: 1...

Generated classfiles are empty at try.kotlinlang.org @AlexTrotsenko wrote: Hello, at try.kotlinlang.org when I run Kotlin code and select JavaScript runtime - I am able to see JS sources in "Generated JavaScript code". But if I select JVM runtime - I see empty tab "Generated classfiles". Just in case: I am running it in Chrome 58.0.3029.110 (64-bit) on OS X. Any ideas why? P.S. Please, let me know if it's not a proper place for asking such questions....

Dedicated Web Development Framework for Kotlin @VikiRocks1991 wrote: Will JetBrains develop a dedicated Web Framework (i.e. to develop MVC, RESTful, and WebSocket ) for Kotlin like Scala (Play Framework),C# ( ASP.Net Core MVC, SignalR) Posts: 1 Participants: 1 Read full topic

Adding Kotlin to Android Studio Causes ADB Failure and Freeze (Fixed) @crockwave wrote: I added Kotlin support to Android Studio, but did no other Kotlin related steps. I then did an Android Studio update to V2.3.2. After that, ADB failed to initialize when trying to run an existing Java based project, and Android Studio froze. Killing the adb processes in Task Manager unfroze Android Studio. To fix the problem, I uninstalled Kotlin, reinstalled Kotlin, then clicked Restart...

How to break a single line no KDoc? @joserobjr wrote: I'm writing an API in Kotlin and I need to document a class that holds tri-state properties (true/null/false). I'm trying to write details of that each state do and I think it is visually better to have one line for each state. /** * The visual style of a text. * * All properties have a tri-state value: `true`/`null`/`false` * * A

true

value specifies that the effect is applied. *...

Feature request: remote REPL for Android @zak.wilson wrote: As there are not current plans to include a remote REPL for Android development, I'm starting a new topic to request one. The remote REPL available with clojure-android makes that platform very productive despite being largely unmaintained and...

JSR-223 integration @rcastagno wrote: I'm trying to integrate kotlin as a JSR-223 scripting language but I'm having some problem Specifically, I'm trying to use it in Coldfusion (just for fun) I'd like to be able to do something like createObject('java', 'javax.script.ScriptEngineManager').getEngineByExtension("kts").eval("var x = 2 + 3") So far I've been able to get it to register as a jsr223 engine, but I get this error...

Trouble with EAP @scimitar wrote: <a data-download-href="https://cdn-business.discourse.org/uploads/kotlinlang/e57e312b0ec1188e12c2215a3d860bcd0c86cafd" href="https://cdn-business.discourse.org/uploads/kotlinlang/original/2X/e/e57e312b0ec1188e12c2215a3d860bcd0c86cafd.png" class="lightbox" title="IDEA picture.png"> IDEA picture.png781x485 18.1 KB </a> Posts: 1 Participants: 1 <a...

Specify operator precedence for infix functions @lukas.eder wrote: I'm thinking of adding some Kotlin extensions to the jOOQ library. One interesting thing might be to make use of infix functions, e.g. infix fun Condition.and(other: Condition): Condition { return this.and(other); } infix fun Condition.or(other: Condition): Condition { return this.or(other); } This would allow for expressions like: (A eq 1) or ((B eq 2) and (C eq 3)) However,...

Type Classes in Kotlin? @carbaj0 wrote: There will be class type and pattern match as in scala? Posts: 2 Participants: 2 Read full topic

Kotlinx.html and Mithril @kolobeti wrote: I'm looking at doing a wrapper for mithril (https://mithril.js.org) in kotlin. It's very minimalist, but it is powerful. I can figure out how to do most of the functions, but I love the design of kotlinx.html, and it could be a powerful way to template if I can figure out how to combine the two. An example of how to do templating...

Error Running src kit @eng.alaanasser wrote: i just start now at kotlin , and i found this error ! Error running src.AlaaKt: Class 'src.AlaaKt' not found in module 'kotlintest how can i fix it please .. what i do . fun main(args: Array) { print ("hello") } Posts: 1 Participants: 1 Read full topic

Kotlin, gradle, idea - unresolved reference while using javaClass @koza.mateusz71 wrote: Hello, I'm stepping first steps with kotlin and today I have faced the issue as follows: I'm getting this: <a data-download-href="https://cdn-business.discourse.org/uploads/kotlinlang/35ca1fff9734d0d45bfe660a6d7a1924876783d0" href="" class="lightbox" title="Zrzut ekranu...

Ignoring certain properties when generating equals(), hashCode(), etc @sah wrote: Let's say I have a data class that has three properties: data class Product( val id: Int, val name: String, val manufacturer: String) If I understand correctly, Kotlin will generate equals() and hashCode() using all the three properties, which will be like: override fun equals(other: Any?): Boolean { if (this === other) return true if (other == null || javaClass != other.javaClass)...

NoClassDefFoundError on Kotlin class in JUnit test at runtime @sah wrote: My Kotlin class compiles and runs on an emulator without a problem. But when I test it, Android Studio says the class is not found. Here's the Kotlin class and an example of using it: // Product.kt data class Product( val id: Int, val name: String, val manufacturer: String) // MainActivity.java public class MainActivity extends Activity { @Override protected void onCreate(Bundle...

Java rectrictions that Kotlin follows @panel wrote: Now when Kotlin become multi platform I wonder if Kotlin Team have any plans of removing 'Java restrictions' from language (release restrictions in syntax but implement them at Kotlin compiler level)? I mean mainly restrictions related to JVM type erasure limitations (need for reified type parameters, no proper runtime checking of collection type 'list is List') or no way of declaring generic...

Android Studio 3.0 Canary 1 - Kotlin unit tests don't run from command line @xelnagax wrote: This might be a silly question but... Steps: Using Android Studio 3.0 Canary 1: Create new android project with kotlin support. Change the assertion in ExampleUnitTest to assertEquals(5, (2 + 2).toLong()) From the command line ./gradlew clean test The build does not fail and the kotlin unit test does not appear to run. It does run (and fail) from inside Android Studio. The kotlin...

Uncompileable code in Reference.Generics @ploadyfree wrote: There is a little part of uncompilable code on Kotlin.Reference.Generics (at the end of topic): fun cloneWhenGreater(list: List, threshold: T): List where T : Comparable, T : Cloneable { return list.filter { it > threshold }.map { it.clone() } } Firstly, there is a Comparable and...