Tim Nieradzik tindzk
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| // Java interface | |
| interface ITextConverter { | |
| public void nodesToText(List<? extends Object> nodes); | |
| } | |
| // Scala implementation | |
| new ITextConverter { | |
| override def nodesToText[T <: Object](nodes: java.util.List[T]) { ... } // Error: Does not override anything. | |
| } |
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| sealed trait Response[+T] | |
| object Response { | |
| case class Failure(error: String) extends Response[Nothing] | |
| case class Success[+T](value: T) extends Response[T] | |
| } | |
| object Picklers { | |
| import Response._ | |
| import upickle.Js | |
| import upickle.Aliases._ |
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| def main(args: Array[String]) { | |
| sealed trait Type | |
| object Type { | |
| case object A extends Type | |
| case object B extends Type | |
| } | |
| upickle.read[Type]("") | |
| } |
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| def main(args: Array[String]) { | |
| sealed trait Base | |
| case object Child extends Base | |
| case class Wrapper(t: Base) | |
| val x = upickle.read[Wrapper](null) | |
| } | |
| // Main.scala:23: uPickle does not know how to read [Wrapper]s; define an implicit Reader[Wrapper] to teach it how |
tindzk
/ existential-types.scala
Created
February 15, 2015 15:53
Type mismatch when casting generic parameter to an existential type
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| trait A[T] { def print(t: T) } | |
| trait B[T] { def ret: T } | |
| case class Wrapper[T](a: A[T], b: B[T]) | |
| val wrapper = Wrapper[String](null, null) | |
| wrapper.a.print(wrapper.b.ret) /* Compiles */ | |
| val anyWrapper = wrapper.asInstanceOf[Wrapper[_]] | |
| anyWrapper.a.print(wrapper.b.ret) /* Does not compile */ |
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| > publishSigned | |
| [info] Packaging /Users/tim/dev/widok/target/scala-2.10/root_2.10-0.1-SNAPSHOT-sources.jar ... | |
| [info] Updating {file:/Users/tim/dev/widok/}root... | |
| [info] Done packaging. | |
| [info] Wrote /Users/tim/dev/widok/js/target/scala-2.11/widok_sjs0.6_2.11-0.2.0-SNAPSHOT.pom | |
| [info] Wrote /Users/tim/dev/widok/jvm/target/scala-2.11/widok_2.11-0.2.0-SNAPSHOT.pom | |
| [info] Wrote /Users/tim/dev/widok/target/scala-2.10/root_2.10-0.1-SNAPSHOT.pom | |
| [info] Resolving org.fusesource.jansi#jansi;1.4 ... | |
| SLF4J: Failed to load class "org.slf4j.impl.StaticLoggerBinder". | |
| SLF4J: Defaulting to no-operation (NOP) logger implementation |
tindzk
/ Monokai.colorscheme
Last active
November 23, 2015 23:22
— forked from wdullaer/Monokai.colorscheme
Monokai Konsole Colourscheme
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| [Background] | |
| Color=40,40,40 | |
| [BackgroundIntense] | |
| Color=40,40,40 | |
| [Color0] | |
| Color=73,72,62 | |
| [Color0Intense] |
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| > run -i 2 -wi 2 -f 0 | |
| SR v1.1.0, Slick v3.0.0 | |
| [info] Benchmark Mode Cnt Score Error Units | |
| [info] Test.slickDelete thrpt 2 0,008 ops/ms | |
| [info] Test.slickInsertBatch thrpt 2 0,086 ops/ms | |
| [info] Test.slickInsertSeparate thrpt 2 0,056 ops/ms | |
| [info] Test.slickQuery thrpt 2 0,009 ops/ms | |
| [info] Test.slickUpdate thrpt 2 0,010 ops/ms | |
| [info] Test.srDelete thrpt 2 2,460 ops/ms |
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| import com.badlogic.gdx.ApplicationAdapter; | |
| import com.badlogic.gdx.Gdx; | |
| import com.badlogic.gdx.backends.lwjgl3.Lwjgl3Application; | |
| import com.badlogic.gdx.backends.lwjgl3.Lwjgl3ApplicationConfiguration; | |
| import com.badlogic.gdx.graphics.Color; | |
| import com.badlogic.gdx.graphics.g2d.BitmapFont; | |
| import com.badlogic.gdx.scenes.scene2d.Stage; | |
| import com.badlogic.gdx.scenes.scene2d.ui.Label; | |
| import com.badlogic.gdx.graphics.g2d.Batch; |
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