Skip to content

Instantly share code, notes, and snippets.

View xuwei-k's full-sized avatar

kenji yoshida xuwei-k

862 followers · 692 following
View GitHub Profile
@xuwei-k
xuwei-k / quote-pattern-match-benchmark.md
Created January 24, 2025 12:17
@xuwei-k
xuwei-k / wartremover_3_2_7.md
Last active January 24, 2025 10:53
  • 6.543094 Null
  • 5.654039 MapUnit
  • 4.128198 SeqApply
  • 1.990676 StringPlusAny
  • 1.58011 AutoUnboxing
  • 1.447845 IterableOps
  • 1.424732 PlatformDefault
  • 1.257947 Equals
  • 1.251545 Overloading
  • 0.813279 RedundantIsInstanceOf
@xuwei-k
xuwei-k / scalaz-wartremover-scala2-profile.md
Created January 22, 2025 05:47
  • ImplicitParameter 1.065469
  • Overloading 0.510683
  • Null 0.334346
  • AutoUnboxing 0.280608
  • ListAppend 0.24645
  • IterableOps 0.130154
  • SortFilter 0.107256
  • Recursion 0.102776
  • Any 0.100167
  • AsInstanceOf 0.060164
@xuwei-k
xuwei-k / img1.png
Last active January 22, 2025 01:10
img1.png
@xuwei-k
xuwei-k / GivenAnonymous.scala
Created January 20, 2025 09:52
package fix
import scala.meta.Defn
import scala.meta.Term
import scala.meta.transversers.*
import scalafix.Patch
import scalafix.lint.Diagnostic
import scalafix.lint.LintSeverity
import scalafix.v1.SyntacticDocument
import scalafix.v1.SyntacticRule
@xuwei-k
xuwei-k / ScalaRunTimeForScalaJS.scala
Created December 25, 2024 11:19
object ScalaRunTimeForScalaJS {
def main(a: Array[String]): Unit = {
println(replStringOf((1 to 200).toList, 10))
}
def replStringOf(arg: Any, maxElements: Int): String =
stringOf(arg, maxElements) match {
case null => "null toString"
case s if s.indexOf('\n') >= 0 => "\n" + s + "\n"
case s => s + "\n"
@xuwei-k
xuwei-k / StringTailInit.scala
Created December 22, 2024 22:49
import org.wartremover.WartTraverser
import org.wartremover.WartUniverse
object StringTailInit extends WartTraverser {
def apply(u: WartUniverse): u.Traverser =
new u.Traverser(this) {
import q.reflect.*
override def traverseTree(tree: Tree)(owner: Symbol): Unit = {
tree match {
case Select(Apply(Ident("augmentString"), _ :: Nil), "init" | "tail") =>
@xuwei-k
xuwei-k / Main.scala
Last active December 2, 2024 23:43
Scala 3 generic numeric literals example
package example
import scala.compiletime.testing.typeCheckErrors
object Main {
val x1: PosInt = 2
def main(args: Array[String]): Unit = {
println(x1)
@xuwei-k
xuwei-k / OverrideMod.scala
Created November 18, 2024 22:28
package com.thealp.paripi.shared.warts
import org.wartremover.WartTraverser
import org.wartremover.WartUniverse
object OverrideMod extends WartTraverser {
override def apply(u: WartUniverse): u.Traverser =
new u.Traverser(this) {
import q.reflect.*
override def traverseTree(tree: Tree)(owner: Symbol): Unit = {
@xuwei-k
xuwei-k / CountImplicitKeywordPlugin.scala
Created November 18, 2024 01:37
import sbt.*
import sbt.Keys.*
object CountImplicitKeywordPlugin extends AutoPlugin {
override def trigger: PluginTrigger = allRequirements
object autoImport {
val implicitKeyword = taskKey[Int]("")
val allImplicitKeyword = taskKey[Seq[(String, Int)]]("")
}
import autoImport.*