From 4da8d942ce6873bd588ae1919815d7d6e79d92a5 Mon Sep 17 00:00:00 2001
From: xuwei-k <6b656e6a69@gmail.com>
Date: Sun, 17 Nov 2024 07:38:40 +0900
Subject: [PATCH] use extension instead of implicit

---
 .../main/scala/sbt/internal/scripted/FileCommands.scala    | 6 +++---
 sbt-app/src/main/scala/sbt/AllSyntax.scala                 | 7 ++-----
 2 files changed, 5 insertions(+), 8 deletions(-)

diff --git a/internal/util-scripted/src/main/scala/sbt/internal/scripted/FileCommands.scala b/internal/util-scripted/src/main/scala/sbt/internal/scripted/FileCommands.scala
index 330a4681b..596278c25 100644
--- a/internal/util-scripted/src/main/scala/sbt/internal/scripted/FileCommands.scala
+++ b/internal/util-scripted/src/main/scala/sbt/internal/scripted/FileCommands.scala
@@ -98,10 +98,10 @@ class FileCommands(baseDirectory: File) extends BasicStatementHandler {
     }
   }
 
+  private type NamedCommand = (String, List[String] => Unit)
+
   // these are for readability of the command list
-  implicit def commandBuilder(s: String): CommandBuilder = new CommandBuilder(s)
-  final class CommandBuilder(commandName: String) {
-    type NamedCommand = (String, List[String] => Unit)
+  extension (commandName: String) {
     def nonEmpty(action: List[String] => Unit): NamedCommand =
       commandName -> { paths =>
         if (paths.isEmpty)
diff --git a/sbt-app/src/main/scala/sbt/AllSyntax.scala b/sbt-app/src/main/scala/sbt/AllSyntax.scala
index 6d489eff8..3e25cb4c4 100644
--- a/sbt-app/src/main/scala/sbt/AllSyntax.scala
+++ b/sbt-app/src/main/scala/sbt/AllSyntax.scala
@@ -9,11 +9,8 @@
 package sbt
 
 private[sbt] trait IOSyntax0 extends IOSyntax1 {
-  implicit def alternative[A, B](f: A => Option[B]): Alternative[A, B] = new Alternative[A, B] {
-    override def |(g: A => Option[B]): A => Option[B] = (a: A) => f(a) orElse g(a)
+  extension [A, B](f: A => Option[B]) {
+    def |(g: A => Option[B]): A => Option[B] = (a: A) => f(a) orElse g(a)
   }
 }
 private[sbt] sealed trait IOSyntax1 extends sbt.io.IOSyntax with sbt.nio.file.syntax0
-private[sbt] sealed trait Alternative[A, B] {
-  def |(g: A => Option[B]): A => Option[B]
-}