Trait Write
etc
pub trait Write<'w>: Meta<'w> { fn write<B>(&'w self, stream: B) -> Result<(), Error> where B: AsRef<[u8]>, { ... } }
io write
fn write<B>(&'w self, stream: B) -> Result<(), Error> where B: AsRef<[u8]>,
write stream into file
impl<'w, T> Write<'w> for T where T: Meta<'w>,