Trait Seek
io
pub trait Seek { type Err; fn seek(&mut self, _: SeekFrom) -> Result<u64, Self::Err>; }
type Err
fn seek(&mut self, _: SeekFrom) -> Result<u64, Self::Err>
impl<'a, S: ?Sized + DerefMut> Seek for S where S::Target: Seek,
type Err = <S::Target as Seek>::Err
fn seek(&mut self, pos: SeekFrom) -> Result<u64, Self::Err>