Function sequential_storage::queue::peek

pub fn peek<S: MultiwriteNorFlash, const CAP: usize>(
    flash: &mut S,
    flash_range: Range<u32>
) -> Result<Option<ArrayVec<u8, CAP>>, Error<S::Error>>

Peek at the oldest data.

If you also want to remove the data use pop.

The given CAP determines the buffer size with which is read. An error is returned if the oldest data is longer than CAP.