mp_identity(): Add generic identity function.

Useful as getiter method for objects which are their own iterators, etc.

1 files changed, 2 insertions, 0 deletions

diff --git a/py/obj.h b/py/obj.h
index faf023147..d7154a743 100644
--- a/py/obj.h
+++ b/py/obj.h
@@ -351,6 +351,8 @@ extern const mp_obj_type_t fun_native_type;
 extern const mp_obj_type_t fun_bc_type;
 void mp_obj_fun_bc_get(mp_obj_t self_in, int *n_args, uint *n_state, const byte **code);
 
+mp_obj_t mp_identity(mp_obj_t self);
+
 // generator
 extern const mp_obj_type_t gen_instance_type;