diff options
Diffstat (limited to 'py/objtuple.c')
-rw-r--r-- | py/objtuple.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/py/objtuple.c b/py/objtuple.c index 83d1f21cea..3378b4ec1c 100644 --- a/py/objtuple.c +++ b/py/objtuple.c @@ -218,6 +218,17 @@ void mp_obj_tuple_del(mp_obj_t self_in) { 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 */ |