1 files changed, 6 insertions, 0 deletions
diff --git a/include/types.h b/include/types.h
index 169952cb..d5d2b202 100644
--- a/include/types.h
+++ b/include/types.h
@@ -8,6 +8,12 @@ struct __lws_0 {
 typedef struct __lws_0 lw_unit;
 typedef lw_unit lw_Basis_unit;
 
+enum lw_Basis_bool_enum { lw_Basis_False, lw_Basis_True };
+
+typedef struct lw_Basis_bool {
+  enum lw_Basis_bool_enum tag;
+} *lw_Basis_bool;
+
 typedef struct lw_context *lw_context;
 
 typedef lw_Basis_string lw_Basis_xhtml;