Jakub Kozłowski kubukoz
😱
kubukoz
/ Demo.scala
Created
April 19, 2023 13:50
Using `getAndDiscreteUpdates` and `mapN` and it still works
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| //> using lib "co.fs2::fs2-core:3.7.0-RC4" | |
| import cats.effect.IOApp | |
| import cats.effect.IO | |
| import scala.concurrent.duration._ | |
| import cats.effect.std.UUIDGen | |
| import cats.implicits._ | |
| import scala.util.Random | |
| import fs2.concurrent.Signal | |
| object Demo extends IOApp.Simple { |
kubukoz
/ fs2zip.scala
Created
January 22, 2023 04:03
Example of using fs2 + ZipInputStream to open a zipfile in Scala. Probably buggy and maybe leaky.
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| //> using scala "2.13.10" | |
| //> using lib "co.fs2::fs2-io:3.5.0" | |
| //> using option "-Wunused:imports" | |
| import cats.effect.IO | |
| import cats.effect.IOApp | |
| import cats.effect.kernel.Resource | |
| import cats.implicits._ | |
| import fs2.io.file.Files | |
| import fs2.io.file.Path |
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| https://www.usenix.org/legacy/events/hotos07/tech/full_papers/dolstra/dolstra.pdf | |
| https://edolstra.github.io/pubs/phd-thesis.pdf | |
| https://nixos.org/manual/nix/stable/ | |
| https://nixos.org/guides/nix-pills/index.html | |
| https://nix.dev/ | |
| https://wiki.nikitavoloboev.xyz/package-managers/nix | |
| https://edolstra.github.io/pubs/nixos-jfp-final.pdf | |
| https://nixos.org/docs/SCR-2005-091.pdf | |
| https://medium.com/@MrJamesFisher/nix-by-example-a0063a1a4c55 | |
| https://scrive.github.io/nix-workshop/01-getting-started/01-introduction.html |
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| //> using lib "software.amazon.smithy:smithy-model:1.26.4" | |
| //> using scala "2.13.10" | |
| import software.amazon.smithy.model.Model | |
| import software.amazon.smithy.model.neighbor.NeighborProvider | |
| import software.amazon.smithy.model.shapes.ShapeId | |
| import scala.jdk.CollectionConverters._ | |
| object demo extends App { |
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| //> using lib "software.amazon.smithy:smithy-model:1.26.4" | |
| //> using lib "com.disneystreaming.smithy4s:smithy4s-protocol:0.17.1" | |
| //> using scala "2.13.10" | |
| import software.amazon.smithy.model.Model | |
| import software.amazon.smithy.model.neighbor.Walker | |
| import software.amazon.smithy.model.shapes.ShapeId | |
| import scala.jdk.CollectionConverters._ | |
| import software.amazon.smithy.model.neighbor.NeighborProvider | |
| import software.amazon.smithy.model.neighbor.Relationship | |
| import software.amazon.smithy.model.shapes.Shape |
kubukoz
/ advent-type-level.scala
Created
December 4, 2022 02:49
Scala's type system solution of Advent of Code 2022 day 1 part 1
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| import scala.compiletime.ops.int.{>, +, *} | |
| import scala.compiletime.ops.string.{Length, Substring, CharAt} | |
| import Tuple.Map | |
| object StringOps { | |
| type IndexOfRec[Haystack <: String, Needle <: String, I <: Int] = | |
| ((I + Length[Needle]) > Length[Haystack]) match { | |
| case true => -1 | |
| case false => | |
| Substring[Haystack, I, I + Length[Needle]] match { |
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| object main extends App { | |
| object <<<<<<< { | |
| def HEAD(s: String) = this | |
| } | |
| implicit class StringOps(s: String) { | |
| def =======(i: Int) = s | |
| def >>>>>>>(i: Int) = i | |
| } |
kubukoz
/ fix-timezone.scala
Last active
October 21, 2022 21:06
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| //> using scala "3.1.2" | |
| //> using plugin "org.polyvariant:::better-tostring:0.3.15" | |
| //> using lib "com.monovore::decline-effect:2.3.0" | |
| //> using lib "org.typelevel::cats-effect:3.3.14" | |
| //> using lib "co.fs2::fs2-io:3.2.10" | |
| import cats.effect.IOApp | |
| import cats.effect.IO | |
| import com.monovore.decline.effect.CommandIOApp | |
| import cats.effect.ExitCode |
kubukoz
/ stackoverflow.txt
Created
September 8, 2022 15:35
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| error: can't decompile /Users/kubukoz/dev/scala-scripts/.bloop/root/bloop-bsp-clients-classes/classes-Metals-nKCKEcyTSeqo2gMsi6lw1w==/META-INF/semanticdb/src/main/scala/com/kubukoz/ForceActivate.scala.semanticdb | |
| java.lang.StackOverflowError | |
| at scala.runtime.Statics.anyHash(Statics.java:127) | |
| at scala.collection.mutable.HashMap.get(HashMap.scala:78) | |
| at scala.meta.internal.metap.SymbolInformationPrinter$InfoNotes.visit(SymbolInformationPrinter.scala:377) | |
| at scala.meta.internal.metap.SymbolInformationPrinter$InfoPrinter.pprint(SymbolInformationPrinter.scala:267) | |
| at scala.meta.internal.metap.SymbolInformationPrinter$InfoPrinter.pprintRef(SymbolInformationPrinter.scala:254) | |
| at scala.meta.internal.metap.SymbolInformationPrinter$InfoPrinter.prefix$1(SymbolInformationPrinter.scala:187) | |
| at scala.meta.internal.metap.SymbolInformationPrinter$InfoPrinter.normal$1(SymbolInformationPrinter.scala:247) | |
| at scala.meta.internal.metap.SymbolInformationPrinter$InfoPrinter.$anonfun$pprint$25(SymbolInformationPrinter.scala:2 |
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| //> using scala "3.1.1" | |
| //> using option "-Xfatal-warnings" | |
| enum Foo { case Bar, Baz } | |
| val x: Foo = ??? | |
| val y = x match { case Foo.Bar => 42 } |