I hereby claim:
- I am mateuszkubuszok on github.
- I am mateuszkubuszok (https://keybase.io/mateuszkubuszok) on keybase.
- I have a public key ASDad2uAPXJRFF-i7B7nKeQixgIFu5bVsXJLqD7jJGRg0Ao
To claim this, I am signing this object:
Mateusz Kubuszok MateuszKubuszok
🏠
MateuszKubuszok
/ circe-inmemory-ttfi-di.sc
Last active
May 8, 2019 13:24
Showoff code that I probably wouldn't use on production, but looks smarter than whatever stuff is actually required in our everyday coding :P
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| // | |
| // @author: Mateusz Kubuszok | |
| // | |
| // requirements: ammonite 1.1.0 | |
| // usage: run `amm` and copy paste into REPL | |
| import $ivy.`org.typelevel::cats-core:1.3.1`, cats._, cats.syntax.all._ | |
| import $ivy.`org.typelevel::cats-effect:1.0.0`, cats.effect._, cats.effect.syntax._ | |
| import $ivy.`io.circe::circe-core:0.9.3`, io.circe._, io.circe.syntax._ | |
| import $ivy.`io.circe::circe-generic:0.9.3`, io.circe.generic.auto._ |
MateuszKubuszok
/ Uncurry.scala
Created
March 14, 2020 14:57
Sometimes I missed .uncurried cuntionality in Scala
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| trait Uncurry[C, U] { | |
| def uncurried(curried: C): U | |
| } | |
| object Uncurry { | |
| def instance[C, U](body: C => U) = new Uncurry[C, U] { | |
| def uncurried(curried: C): U = body(curried) | |
| } | |
| implicit def uncurry2[A, B, Out]: Uncurry[A => B => Out, (A, B) => Out] = | |
| instance[A => B => Out, (A, B) => Out] { curried => curried(_)(_) } | |
| implicit def uncurry3[A, B, C, Out]: Uncurry[A => B => C => Out, (A, B, C) => Out] = |
MateuszKubuszok
/ Test1$.java
Created
July 4, 2020 20:17
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| Compiled from "Test1.scala" | |
| public final class Test1$ { | |
| public static final Test1$ MODULE$; | |
| public static {}; | |
| Code: | |
| 0: new #2 // class Test1$ | |
| 3: dup | |
| 4: invokespecial #18 // Method "<init>":()V | |
| 7: putstatic #20 // Field MODULE$:LTest1$; |
MateuszKubuszok
/ Test2$.java
Created
July 4, 2020 20:19
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| Compiled from "Test2.scala" | |
| public final class Test2$ { | |
| public static final Test2$ MODULE$; | |
| public static {}; | |
| Code: | |
| 0: new #2 // class Test2$ | |
| 3: dup | |
| 4: invokespecial #20 // Method "<init>":()V | |
| 7: putstatic #22 // Field MODULE$:LTest2$; |
MateuszKubuszok
/ .dotsync.yml
Last active
August 13, 2020 13:23
Utility for copying dotfiles from HOME to some backup directory e.g. git/Dropbox/etc
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| backup: .dotsync_bck | |
| global: | |
| include: | |
| - .bashrc | |
| - .zshrc | |
| exclude: [] | |
| local: | |
| laptop2: | |
| include: | |
| - .snxrc |
MateuszKubuszok
/ flame-graph-cpu-reverse.svg
Created
August 31, 2020 13:26
Flame graphs for FizzBuzzBenchmark - Things that you need to know about JVM (that matter in Scala)
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| sealed trait FList[F[_]] extends Product with Serializable | |
| object FList { | |
| final case class Last[F[_], A, B](f: A => F[B]) extends FList[F] | |
| final case class Cons[F[_], A, B, Tail <: FList[F]](f: A => F[B], tail: Tail) extends FList[F] | |
| } | |
| implicit class FunOps[F[_], A, B](f: A => F[B]) extends AnyVal { | |
| def toFList: FList.One[F, A, B] = FList.One(f) | |
MateuszKubuszok
/ algebras.scala
Last active
March 2, 2021 14:34
Algebras implementation which isn't based on nested type hierarchy
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| import scala.language.reflectiveCalls | |
| type Nullary[A] = Unit | |
| type Unary[A] = A | |
| type Binary[A] = (A, A) | |
| trait Algebra { | |
| type Set | |
| type Operation[F[_]] = F[Set] => Set |
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| trait TypedSlide[F[_], I <: Int] { | |
| type Out[A] | |
| def sliding[A](fa: F[A]): F[Out[A]] | |
| } | |
| object TypedSlide { | |
| type Arbitrary | |
| class Helper[F[_], I <: Int] { | |
| def apply[OOut[_]](f: F[Arbitrary] => F[OOut[Arbitrary]]) = new TypedSlide[F, I] { | |
| type Out[A] = OOut[A] |