Use Value in AssignAST

1 files changed, 1 insertions, 1 deletions

diff --git a/exec.go b/exec.go
index 1c864cd..d694c81 100644
--- a/exec.go
+++ b/exec.go
@@ -43,7 +43,7 @@ func (v AutoVar) String() string  { panic("not implemented") }
 func (v AutoVar) Append(*Evaluator, string) Var {
 	panic("must not be called")
 }
-func (v AutoVar) AppendVar(*Evaluator, Var) Var {
+func (v AutoVar) AppendVar(*Evaluator, Value) Var {
 	panic("must not be called")
 }
 func (v AutoVar) Serialize() SerializableVar {