/// Create a new `File` instance that shares the same underlying file handle
/// as the existing `File` instance. Reads, writes, and seeks will affect both
/// File instances simultaneously.
Create a new `File` instance that shares the same underlying file handle
as the existing `File` instance. Reads, writes, and seeks will affect both
File instances simultaneously.
Create a new ` File ` instance that shares the same underlying file handle as the existing ` File ` instance . Reads writes and seeks will affect both File instances simultaneously .
pub fn poll_try_clone(&mut self) -> Poll<File, io::Error> {
        ::blocking_io(|| {
            let std = self.std().try_clone()?;
            Ok(File::from_std(std))
        })
    }
pub fn poll_try_clone ( & mut self ) -> Poll < File , io :: Error > { :: blocking_io ( | | { let std = self . std ( ) . try_clone ( ) ? ; Ok ( File :: from_std ( std ) ) } ) }
Create a new `File` instance that shares the same underlying file handle
as the existing `File` instance.
Create a new ` File ` instance that shares the same underlying file handle as the existing ` File ` instance .
&mut self
<not_specific>