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py: Allow hashing of functions and tuples.

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Damien George
2014-03-20 19:20:59 +00:00
parent a925639247
commit 7f8be59111
3 changed files with 21 additions and 2 deletions
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11
py/objtuple.c
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@@ -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 */