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-rw-r--r--frontend/ast.ml1
1 files changed, 1 insertions, 0 deletions
diff --git a/frontend/ast.ml b/frontend/ast.ml
index 4f8c860..ae11064 100644
--- a/frontend/ast.ml
+++ b/frontend/ast.ml
@@ -57,6 +57,7 @@ type expr =
(* other *)
| AST_if of (expr ext) * (expr ext) * (expr ext)
| AST_instance of (id ext) * (expr ext list) * id
+ | AST_tuple of expr ext list
type var_def = bool * id * typ