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-rw-r--r--pkg/lang/vm/value/env.go4
1 files changed, 4 insertions, 0 deletions
diff --git a/pkg/lang/vm/value/env.go b/pkg/lang/vm/value/env.go
index b7bb3ab..34a396c 100644
--- a/pkg/lang/vm/value/env.go
+++ b/pkg/lang/vm/value/env.go
@@ -27,6 +27,10 @@ func (e *Env) GetStackIndex(envIndex int) int {
 	return e.references[envIndex].stackIndex
 }
 
+func (e *Env) Len() int {
+	return len(e.references)
+}
+
 type reference struct {
 	stackIndex int
 	outlet     mem.Ptr