py: Allow hashing of functions and tuples.
diff --git a/py/objtuple.c b/py/objtuple.c
index 83d1f21..3378b4e 100644
--- a/py/objtuple.c
+++ b/py/objtuple.c
@@ -218,6 +218,17 @@
m_del_var(mp_obj_tuple_t, mp_obj_t, self->len, self);
}
+machine_int_t mp_obj_tuple_hash(mp_obj_t self_in) {
+ assert(MP_OBJ_IS_TYPE(self_in, &tuple_type));
+ mp_obj_tuple_t *self = self_in;
+ // start hash with pointer to empty tuple, to make it fairly unique
+ machine_int_t hash = (machine_int_t)mp_const_empty_tuple;
+ for (uint i = 0; i < self->len; i++) {
+ hash += mp_obj_hash(self->items[i]);
+ }
+ return hash;
+}
+
/******************************************************************************/
/* tuple iterator */