--- a/progs/fun/fun_parser.sc	Fri Nov 22 12:42:07 2024 +0000
+++ b/progs/fun/fun_parser.sc	Fri Nov 29 18:58:18 2024 +0000
@@ -10,15 +10,14 @@
 // this will generate a parse-tree from a list
 // of tokens
 
-//> using toolkit 0.5.0
-// > using file fun_tokens.scala
 
+import $file.fun_tokens, fun_tokens._ 
 
 import scala.language.implicitConversions    
 import scala.language.reflectiveCalls
 
 
-//import $file.fun_tokens, fun_tokens._ 
+
 
 
 // Parser combinators
@@ -26,16 +25,6 @@
 //
 type IsSeq[I] = I => Seq[?]
 
-/*
-abstract class Parser[I, T](using is: I => Seq[_])  {
-  def parse(in: I): Set[(T, I)]  
-
-  def parse_all(in: I) : Set[T] =
-    for ((hd, tl) <- parse(in); 
-        if is(tl).isEmpty) yield hd
-}
-*/
-
 
 abstract class Parser[I, T](using is: I => Seq[?]) {
   def parse(ts: I): Set[(T, I)]
@@ -179,17 +168,11 @@
 
 // Reading tokens and Writing parse trees
 
-// pre-2.5.0 ammonite 
-// import ammonite.ops._
-
-// post 2.5.0 ammonite
-// import os._
-
 def parse_tks(tks: List[Token]) : List[Decl] = 
   Prog.parse_single(tks)
 
-//@doc("Parses a file.")
-//@main
+
+@main
 def main(fname: String) : Unit = {
   val tks = tokenise(os.read(os.pwd / fname))
   println(parse_tks(tks))