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32 lines
760 B
32 lines
760 B
#include <stdlib.h>
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#include "nlr.h"
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#include "misc.h"
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#include "mpconfig.h"
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#include "qstr.h"
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#include "obj.h"
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#include "runtime0.h"
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typedef struct _mp_obj_none_t {
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mp_obj_base_t base;
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} mp_obj_none_t;
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STATIC void none_print(void (*print)(void *env, const char *fmt, ...), void *env, mp_obj_t self_in, mp_print_kind_t kind) {
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print(env, "None");
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}
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STATIC mp_obj_t none_unary_op(int op, mp_obj_t o_in) {
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switch (op) {
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case MP_UNARY_OP_BOOL: return mp_const_false;
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default: return MP_OBJ_NOT_SUPPORTED;
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}
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}
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const mp_obj_type_t mp_type_NoneType = {
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{ &mp_type_type },
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.name = MP_QSTR_NoneType,
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.print = none_print,
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.unary_op = none_unary_op,
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};
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const mp_obj_none_t mp_const_none_obj = {{&mp_type_NoneType}};
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