+typedef struct _mp_obj_fun_bc_t {

+ mp_obj_base_t base;

+ mp_obj_dict_t *globals; // the context within which this function was defined

+ machine_uint_t n_args : 15; // number of arguments this function takes

+ machine_uint_t n_def_args : 15; // number of default arguments

+ machine_uint_t takes_var_args : 1; // set if this function takes variable args

+ machine_uint_t takes_kw_args : 1; // set if this function takes keyword args

+ const byte *bytecode; // bytecode for the function

+ qstr *args; // argument names (needed to resolve positional args passed as keywords)

+ // values of default args (if any), plus a slot at the end for var args and/or kw args (if it takes them)

+ mp_obj_t extra_args[];

+} mp_obj_fun_bc_t;