Function would_block_if_equal

libs/scrap/src/common/mod.rs:94–102

(old: &mut Vec<u8>, b: &[u8])

#[inline]
pub fn would_block_if_equal(old: &mut Vec<u8>, b: &[u8]) -> std::io::Result<()> {
    // does this really help?
    if b == &old[..] {
        return Err(std::io::ErrorKind::WouldBlock.into());
    }
    old.resize(b.len(), 0);
    old.copy_from_slice(b);
    Ok(())
}

pub trait TraitCapturer {
    // We doesn't support