1 files changed, 35 insertions, 0 deletions
diff --git a/tests/lean/BetreeMain/FunsExternal.lean b/tests/lean/BetreeMain/FunsExternal.lean
new file mode 100644
index 00000000..0c715ef9
--- /dev/null
+++ b/tests/lean/BetreeMain/FunsExternal.lean
@@ -0,0 +1,35 @@
+-- [betree_main]: external functions.
+import Base
+import BetreeMain.Types
+open Primitives
+open betree_main
+
+-- TODO: fill those bodies
+
+/- [betree_main::betree_utils::load_internal_node] -/
+def betree_utils.load_internal_node_fwd
+  :
+  U64 → State → Result (State × (betree_list_t (U64 × betree_message_t))) :=
+  fun _ _ => .fail .panic
+
+/- [betree_main::betree_utils::store_internal_node] -/
+def betree_utils.store_internal_node_fwd
+  :
+  U64 → betree_list_t (U64 × betree_message_t) → State → Result (State
+    × Unit) :=
+  fun _ _ _ => .fail .panic
+
+/- [betree_main::betree_utils::load_leaf_node] -/
+def betree_utils.load_leaf_node_fwd
+  : U64 → State → Result (State × (betree_list_t (U64 × U64))) :=
+  fun _ _ => .fail .panic
+
+/- [betree_main::betree_utils::store_leaf_node] -/
+def betree_utils.store_leaf_node_fwd
+  : U64 → betree_list_t (U64 × U64) → State → Result (State × Unit) :=
+  fun _ _ _ => .fail .panic
+
+/- [core::option::Option::{0}::unwrap] -/
+def core.option.Option.unwrap_fwd
+  (T : Type) : Option T → State → Result (State × T) :=
+  fun _ _ => .fail .panic