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use reader::{ Read, BytesReader, SliceReader, IoreadeofReader };

use std::fs;
use std::io;
use std::net;
use std::os::unix::net::UnixStream;




pub trait IntoReader where Self::Reader: Read {
    type Reader;

    fn into_reader (self) -> Self::Reader;
}



impl IntoReader for &'static str {
    type Reader = SliceReader;

    fn into_reader (self) -> SliceReader { SliceReader::new (self.as_bytes ()) }
}



impl IntoReader for String {
    type Reader = BytesReader;

    fn into_reader (self) -> BytesReader { BytesReader::new (self.into_bytes ()) }
}



impl IntoReader for Vec<u8> {
    type Reader = BytesReader;

    fn into_reader (self) -> BytesReader {
        let s = String::from_utf8 (self);

        let bytes = match s {
            Ok (s) => s.into_bytes (),
            Err ( _ ) => Vec::new ()
        };

        BytesReader::new (bytes)
    }
}


impl IntoReader for fs::File {
    type Reader = IoreadeofReader;

    fn into_reader (self) -> IoreadeofReader { IoreadeofReader::new (self) }
}


impl<'a> IntoReader for &'a fs::File {
    type Reader = IoreadeofReader;

    fn into_reader (self) -> IoreadeofReader { IoreadeofReader::new (self) }
}


impl IntoReader for net::TcpStream {
    type Reader = IoreadeofReader;

    fn into_reader (self) -> IoreadeofReader { IoreadeofReader::new (self) }
}


impl<'a> IntoReader for &'a net::TcpStream {
    type Reader = IoreadeofReader;

    fn into_reader (self) -> IoreadeofReader { IoreadeofReader::new (self) }
}


impl IntoReader for UnixStream {
    type Reader = IoreadeofReader;

    fn into_reader (self) -> IoreadeofReader { IoreadeofReader::new (self) }
}


impl<'a> IntoReader for &'a UnixStream {
    type Reader = IoreadeofReader;

    fn into_reader (self) -> IoreadeofReader { IoreadeofReader::new (self) }
}


impl<R> IntoReader for io::BufReader<R> where R: io::Read {
    type Reader = IoreadeofReader;

    fn into_reader (self) -> IoreadeofReader { IoreadeofReader::new (self) }
}


impl<T> IntoReader for io::Cursor<T> where T: AsRef<[u8]> {
    type Reader = IoreadeofReader;

    fn into_reader (self) -> IoreadeofReader { IoreadeofReader::new (self) }
}


impl<'a, R> IntoReader for &'a mut R where R: io::Read + ?Sized {
    type Reader = IoreadeofReader;

    fn into_reader (self) -> IoreadeofReader { IoreadeofReader::new (self) }
}


impl<R> IntoReader for Box<R> where R: io::Read + ?Sized {
    type Reader = IoreadeofReader;

    fn into_reader (self) -> IoreadeofReader { IoreadeofReader::new (self) }
}


impl<'a> IntoReader for &'a [u8] {
    type Reader = IoreadeofReader;

    fn into_reader (self) -> IoreadeofReader { IoreadeofReader::new (self) }
}