barse 0.3.0

Binary parsing library.
Documentation 
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use crate::{ByteRead, FromByteReader, FromByteReaderWith};

impl<'input, T> FromByteReaderWith<'input, bool> for Option<T>
where
    T: FromByteReader<'input>,
{
    type Err = T::Err;
    fn from_byte_reader_with<R>(reader: R, with: bool) -> Result<Self, Self::Err>
    where
        R: ByteRead<'input>,
    {
        with.then(|| T::from_byte_reader(reader)).transpose()
    }
}

impl<'input, T, W> FromByteReaderWith<'input, (bool, W)> for Option<T>
where
    T: FromByteReaderWith<'input, W>,
{
    type Err = T::Err;
    fn from_byte_reader_with<R>(reader: R, (with, inner_with): (bool, W)) -> Result<Self, Self::Err>
    where
        R: ByteRead<'input>,
    {
        with.then(|| T::from_byte_reader_with(reader, inner_with))
            .transpose()
    }
}