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Add #[must_use] to all futures

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Grant Miller
2023-02-24 13:01:41 -06:00
parent 2209bef4f2
commit 7be4337de9
10 changed files with 16 additions and 0 deletions
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3
embassy-rp/src/pio.rs
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@ -120,6 +120,7 @@ unsafe fn PIO1_IRQ_0() {
}
/// Future that waits for TX-FIFO to become writable
#[must_use = "futures do nothing unless you `.await` or poll them"]
pub struct FifoOutFuture<'a, PIO: PioInstance, SM: PioStateMachine + Unpin> {
sm: &'a mut SM,
pio: PhantomData<PIO>,
@ -182,6 +183,7 @@ impl<'d, PIO: PioInstance, SM: PioStateMachine + Unpin> Drop for FifoOutFuture<'
}
/// Future that waits for RX-FIFO to become readable
#[must_use = "futures do nothing unless you `.await` or poll them"]
pub struct FifoInFuture<'a, PIO: PioInstance, SM: PioStateMachine> {
sm: &'a mut SM,
pio: PhantomData<PIO>,
@ -241,6 +243,7 @@ impl<'d, PIO: PioInstance, SM: PioStateMachine> Drop for FifoInFuture<'d, PIO, S
}
/// Future that waits for IRQ
#[must_use = "futures do nothing unless you `.await` or poll them"]
pub struct IrqFuture<PIO: PioInstance> {
pio: PhantomData<PIO>,
irq_no: u8,