diff options
Diffstat (limited to 'py/objdict.c')
| -rw-r--r-- | py/objdict.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/py/objdict.c b/py/objdict.c index 55a612913d..93ff1af90a 100644 --- a/py/objdict.c +++ b/py/objdict.c @@ -43,6 +43,14 @@ static mp_obj_t dict_make_new(mp_obj_t type_in, uint n_args, uint n_kw, const mp return rt_build_map(0); } +static mp_obj_t dict_unary_op(int op, mp_obj_t self_in) { + mp_obj_dict_t *self = self_in; + switch (op) { + case RT_UNARY_OP_NOT: if (self->map.used == 0) { return mp_const_true; } else { return mp_const_false; } + default: return MP_OBJ_NULL; // op not supported for None + } +} + static mp_obj_t dict_binary_op(int op, mp_obj_t lhs_in, mp_obj_t rhs_in) { mp_obj_dict_t *o = lhs_in; switch (op) { @@ -436,6 +444,7 @@ const mp_obj_type_t dict_type = { "dict", .print = dict_print, .make_new = dict_make_new, + .unary_op = dict_unary_op, .binary_op = dict_binary_op, .getiter = dict_getiter, .methods = dict_type_methods, |