Trait AsyncWriteExt

pub trait AsyncWriteExt: AsyncWrite {
    // Provided methods
    fn write<'a>(&'a mut self, src: &'a [u8]) -> Write<'a, Self>
       where Self: Unpin { ... }
    fn write_vectored<'a, 'b>(
        &'a mut self,
        bufs: &'a [IoSlice<'b>],
    ) -> WriteVectored<'a, 'b, Self>
       where Self: Unpin { ... }
    fn write_buf<'a, B>(&'a mut self, src: &'a mut B) -> WriteBuf<'a, Self, B>
       where Self: Sized + Unpin,
             B: Buf { ... }
    fn write_all_buf<'a, B>(
        &'a mut self,
        src: &'a mut B,
    ) -> WriteAllBuf<'a, Self, B>
       where Self: Sized + Unpin,
             B: Buf { ... }
    fn write_all<'a>(&'a mut self, src: &'a [