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-rw-r--r--src/rewrites.ml1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/rewrites.ml b/src/rewrites.ml
index 574356d4..b1cfce86 100644
--- a/src/rewrites.ml
+++ b/src/rewrites.ml
@@ -50,6 +50,7 @@
module Big_int = Nat_big_num
open Ast
+open Ast_defs
open Ast_util
open Type_check
open Spec_analysis