deduplicate printSeparated local defs

Author: fmonniot

compiler/src/scala/quoted/runtime/impl/printers/SourceCode.scala

@@ -804,6 +804,15 @@ object SourceCode {
       }
     }
 
+    private def printSeparatedParamDefs(list: List[ValDef])(using elideThis: Option[Symbol]): Unit = list match {
+      case Nil =>
+      case x :: Nil => printParamDef(x)
+      case x :: xs =>
+        printParamDef(x)
+        this += ", "
+        printSeparatedParamDefs(xs)
+    }
+
     private def printMethdArgsDefs(args: List[ValDef])(using elideThis: Option[Symbol]): Unit = {
       val argFlags = args match {
         case Nil => Flags.EmptyFlags
@@ -813,16 +822,7 @@ object SourceCode {
         if (argFlags.is(Flags.Implicit) && !argFlags.is(Flags.Given)) this += "implicit "
         if (argFlags.is(Flags.Given)) this += "using "
 
-        def printSeparated(list: List[ValDef]): Unit = list match {
-          case Nil =>
-          case x :: Nil => printParamDef(x)
-          case x :: xs =>
-            printParamDef(x)
-            this += ", "
-            printSeparated(xs)
-        }
-
-        printSeparated(args)
+        printSeparatedParamDefs(args)
       }
     }
 
@@ -834,16 +834,7 @@ object SourceCode {
       inParens {
         if (argFlags.is(Flags.Implicit) && !argFlags.is(Flags.Given)) this += "implicit "
 
-        def printSeparated(list: List[ValDef]): Unit = list match {
-          case Nil =>
-          case x :: Nil => printParamDef(x)
-          case x :: xs =>
-            printParamDef(x)
-            this += ", "
-            printSeparated(xs)
-        }
-
-        printSeparated(args)
+        printSeparatedParamDefs(args)
       }
     }