recode 0.4.1

Reusable encoding/decoding constructs for Rust
Documentation 
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/// A to represent a length type with zero length.
///
/// This type is useful for encoding/decoding types that have no length prefix,
/// and should either:
/// - decode as the rest of the buffer.
/// - encode with no length prefix
#[derive(Debug, Clone, Copy, Default)]
pub struct Remaining;

impl<B> crate::Decoder<B, usize> for Remaining
where
    B: crate::bytes::Buf,
{
    type Error = crate::Error;

    #[inline]
    fn decode(buf: &mut B) -> Result<usize, Self::Error> {
        Ok(buf.remaining())
    }
}

impl<B> crate::Encoder<B, usize> for Remaining {
    type Error = crate::Error;

    #[inline]
    fn encode(_input: &usize, _buf: &mut B) -> Result<(), Self::Error> {
        Ok(())
    }

    #[inline]
    fn size_of(_input: &usize, _: &B) -> usize {
        0
    }
}