verify lifetimes in generated `PeripheralManager` methods

[suaviloquence]

Macros no_enable_periph_rst_fn and similar

max78000-hal/hal/src/peripherals.rs

Lines 474 to 482 in 4d1d71d

	macro_rules! no_enable_rst_periph_fn {
	($fn_name:ident, $p_type:ty, $field_name:ident) => {
	/// Gets the specified peripheral if not already taken elsewhere. Otherwise,
	/// returns [`BorrowMutError`].
	pub fn $fn_name(&'a self) -> Result<PeripheralHandle<$p_type>, BorrowMutError> {
	PeripheralHandle::new(&self.$field_name)
	}
	};
	}

max78000-hal/hal/src/peripherals.rs

Lines 532 to 539 in 4d1d71d

	no_enable_rst_periph_fn!(timer_0, Clock<TMR>, timer_0);
	no_enable_rst_periph_fn!(timer_1, Clock<TMR1>, timer_1);
	no_enable_rst_periph_fn!(timer_2, Clock<TMR2>, timer_2);
	no_enable_rst_periph_fn!(timer_3, Clock<TMR3>, timer_3);
	no_enable_rst_periph_fn_no_handle!(gpio0, Gpio0, gpio0);
	no_enable_rst_periph_fn_no_handle!(gpio1, Gpio1, gpio1);
	no_enable_rst_periph_fn_no_handle!(gpio2, Gpio2, gpio2);

currently generate methods of the type &'a self -> &Periph<'a, 'a, ...>, where PeripheralManager stores all registers with the same lifetime 'a

max78000-hal/hal/src/peripherals.rs

Line 509 in 4d1d71d

pub struct PeripheralManager<'a> {

We need to verify that this is the correct behavior.