diff -r 47acfd7f9096 -r ae9782e62bdd progs/while-arrays/compile_bfc.sc
--- a/progs/while-arrays/compile_bfc.sc	Fri Nov 17 20:06:43 2023 +0000
+++ b/progs/while-arrays/compile_bfc.sc	Tue Nov 28 11:42:31 2023 +0000
@@ -22,8 +22,6 @@
 // fastparse used in this file is not yet supported
 // under ammonite.
 
-
-//> using toolkit latest
 //> using file compile_arrays2.sc
 import compile_arrays2._
 
@@ -120,8 +118,8 @@
 def Fa[$ : P]: P[AExp] = 
   P( "(" ~ AExp ~ ")" 
      | P (Ident ~ "[" ~ AExp ~ "]").map{Ref(_, _)}
-     | P(Number).map{Num} 
-     | P(Ident).map{Var} )
+     | P(Number).map{Num(_)} 
+     | P(Ident).map{Var(_)} )
 
 // boolean expressions
 def BExp[$ : P]: P[BExp] = 
@@ -141,7 +139,7 @@
     | P("if" ~ BExp ~ "then" ~ Block ~ "else" ~ Block).map{If(_, _, _)} 
     | P("while" ~ BExp ~ "do" ~ Block).map{While(_, _)} 
     | P("new(" ~ Ident ~ "[" ~ Number ~ "])").map{ArrayDef(_, _)} 
-    | P("write(" ~ Ident ~ ")").map{Write} ) 
+    | P("write(" ~ Ident ~ ")").map{Write(_)} ) 
 
 def Stmts[$ : P]: P[Block] =
   P(  P(Stmt ~ ";" ~ Stmts).map{ case (x, z) => x :: z } 
@@ -192,7 +190,6 @@
   case '+' => "mem[ptr] := mem[ptr] + 1;"
   case '-' => "mem[ptr] := mem[ptr] - 1;"
   case '.' => "x := mem[ptr]; write x;"
-  //case ',' => "XXX" // "ptr = getchar();\n"
   case '['  => "while (mem[ptr] != 0) do {"
   case ']'  => "skip};"
   case _ => ""
@@ -322,8 +319,8 @@
 //@main
 def all() = { bfc0(); bfc1(); bfc2(); bfc3(); bfc4() } 
 
-all()
-
+//all()
+bfc4()
 
 
 
@@ -341,4 +338,4 @@
 //import compile_arrays2._ 
 //
 // load fastparse
-//import $ivy.`com.lihaoyi::fastparse:3.0.2`
\ No newline at end of file
+//import $ivy.`com.lihaoyi::fastparse:3.0.2`