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-rw-r--r--language/l2.ml1
1 files changed, 1 insertions, 0 deletions
diff --git a/language/l2.ml b/language/l2.ml
index ea3252da..d5ea7c33 100644
--- a/language/l2.ml
+++ b/language/l2.ml
@@ -270,6 +270,7 @@ type
| E_internal_cast of 'a annot * 'a exp (* This is an internal cast, generated during type checking that will resolve into a syntactic cast after *)
| E_internal_exp of 'a annot (* This is an internal use for passing nexp information to library functions, postponed for constraint solving *)
| E_internal_exp_user of 'a annot * 'a annot (* This is like the above but the user has specified an implicit parameter for the current function *)
+ | E_internal_let of 'a lexp * 'a exp * 'a exp (* This is an internal node for compilation that demonstrates the scope of a local mutable variable *)
and 'a exp =
E_aux of 'a exp_aux * 'a annot