Make Command a trait

Author: timotheeandres

library/src/scala/annotation/MainAnnotation.scala

@@ -24,7 +24,7 @@ trait MainAnnotation extends StaticAnnotation:
   def command(args: Array[String], commandName: String, docComment: String): Command
 
   /** A class representing a command to run */
-  abstract class Command(val commandName: String, val docComment: String):
+  trait Command:
 
     /** The getter for the next argument of type `T` */
     def argGetter[T](argName: String, argType: String, argDoc: String)(using fromString: ArgumentParser[T]): () => T

library/src/scala/main.scala

@@ -91,7 +91,7 @@ class main extends scala.annotation.MainAnnotation:
       case _ =>
 
   override def command(args: Array[String], commandName: String, docComment: String): Command =
-    new Command(commandName, docComment):
+    new Command:
       /** A buffer of demanded arguments */
       private var argInfos = new mutable.ListBuffer[self.Argument]
 
@@ -121,10 +121,10 @@ class main extends scala.annotation.MainAnnotation:
           case None => error(s"invalid argument for $argName: $arg")
 
       private def usage(): Unit =
-        self.usage(this.commandName, argInfos.toSeq)
+        self.usage(commandName, argInfos.toSeq)
 
       private def explain(): Unit =
-        self.explain(this.commandName, this.docComment, argInfos.toSeq)
+        self.explain(commandName, docComment, argInfos.toSeq)
 
       private def indicesOfArg(argName: String): Seq[Int] =
         def allIndicesOf(s: String): Seq[Int] =