pub unsafe extern "C" fn mrb_ensure(
mrb: *mut mrb_state,
body: mrb_func_t,
b_data: mrb_value,
ensure: mrb_func_t,
e_data: mrb_value,
) -> mrb_value
pub unsafe extern "C" fn mrb_ensure(
mrb: *mut mrb_state,
body: mrb_func_t,
b_data: mrb_value,
ensure: mrb_func_t,
e_data: mrb_value,
) -> mrb_value