Checkpoint

src/prolog/builtins/ioOperators.kt

@@ -4,7 +4,7 @@ import io.Logger
 import io.Terminal
 import parser.ReplParser
 import prolog.Answers
-import prolog.Program
+import prolog.ast.Database.Program
 import prolog.Substitutions
 import prolog.ast.logic.Satisfiable
 import prolog.ast.terms.Atom
@@ -26,6 +26,8 @@ class Write(private val term: Term) : Operator(Atom("write"), null, term), Satis
 
         return sequenceOf(Result.success(emptyMap()))
     }
+
+    override fun toString(): String = "write($term)"
 }
 
 /**