269     fn init_clock_in<F: for<'a> FnCall<(&'a Self::Target, ClockEvent)>>(  in init_clock_in()
272         _cb: &F,  in init_clock_in()  argument
302         let cb: Option<unsafe extern "C" fn(*mut c_void, ClockEvent)> = if F::is_some() {  in init_clock_in()
303             unsafe extern "C" fn rust_clock_cb<T, F: for<'a> FnCall<(&'a T, ClockEvent)>>(  in init_clock_in()
308                 F::call((unsafe { &*(opaque.cast::<T>()) }, event))  in init_clock_in()
310             Some(rust_clock_cb::<Self::Target, F>)  in init_clock_in()
350     fn init_gpio_in<F: for<'a> FnCall<(&'a Self::Target, u32, u32)>>(  in init_gpio_in()
353         _cb: F,  in init_gpio_in()  argument
365         let _: () = F::ASSERT_IS_SOME;  in init_gpio_in()
366         unsafe extern "C" fn rust_irq_handler<T, F: for<'a> FnCall<(&'a T, u32, u32)>>(  in init_gpio_in()
372             F::call((unsafe { &*(opaque.cast::<T>()) }, line as u32, level as u32))  in init_gpio_in()
376             rust_irq_handler::<Self::Target, F>;  in init_gpio_in()