Do not use gob to create unqiue ID for each vars

Now serialization is 5 times faster (41 secs => 8 secs).

1 files changed, 3 insertions, 0 deletions

diff --git a/exec.go b/exec.go
index a7c0f5c..6afd0e8 100644
--- a/exec.go
+++ b/exec.go
@@ -50,6 +50,9 @@ func (v AutoVar) AppendVar(*Evaluator, Var) Var {
 func (v AutoVar) Serialize() SerializableVar {
 	panic(fmt.Sprintf("cannot serialize auto var: %q", v))
 }
+func (v AutoVar) Dump(w io.Writer) {
+	panic(fmt.Sprintf("cannot dump auto var: %q", v))
+}
 
 type AutoAtVar struct{ AutoVar }