fn copy_until<R: Read, W: Write>(r: &mut R, w: &mut W, delimiter_byte: u8) -> CopyUntilResult {
    debug!("copy_until");

    let mut count = 0;
    for wb in r.bytes() {
        match wb {
            Ok(b) => {
                if b == delimiter_byte {
                    return CopyUntilResult::DelimiterFound(count);
                }
                match w.write(&[b]) {
                    Ok(c) => count += c,
                    Err(e) => return CopyUntilResult::WriteError(e),
                }
            }
            Err(e) => return CopyUntilResult::ReadError(e),
        }
    }
    if count > 0 {
        CopyUntilResult::DelimiterNotFound(count)
    } else {
        CopyUntilResult::ReaderEmpty
    }
}
/// Copies the contents of a reader into a writer until a delimiter byte is found.
/// On success, the total number of bytes that were
/// copied from reader to writer is returned.
Copies the contents of a reader into a writer until a delimiter byte is found.
On success, the total number of bytes that were
copied from reader to writer is returned.
Copies the contents of a reader into a writer until a delimiter byte is found . On success the total number of bytes that were copied from reader to writer is returned .
fn copy_until<R: Read, W: Write>(r: &mut R, w: &mut W, delimiter_byte: u8) -> CopyUntilResult {
    debug!("copy_until");
    let mut count = 0;
    for wb in r.bytes() {
        match wb {
            Ok(b) => {
                if b == delimiter_byte {
                    return CopyUntilResult::DelimiterFound(count);
                }
                match w.write(&[b]) {
                    Ok(c) => count += c,
                    Err(e) => return CopyUntilResult::WriteError(e),
                }
            }
            Err(e) => return CopyUntilResult::ReadError(e),
        }
    }
    if count > 0 {
        CopyUntilResult::DelimiterNotFound(count)
    } else {
        CopyUntilResult::ReaderEmpty
    }
}
fn copy_until < R : Read , W : Write > ( r : & mut R , w : & mut W , delimiter_byte : u8 ) -> CopyUntilResult { debug ! ( " " ) ; let mut count = 0 ; for wb in r . bytes ( ) { match wb { Ok ( b ) => { if b == delimiter_byte { return CopyUntilResult :: DelimiterFound ( count ) ; } match w . write ( & [ b ] ) { Ok ( c ) => count += c , Err ( e ) => return CopyUntilResult :: WriteError ( e ) , } } Err ( e ) => return CopyUntilResult :: ReadError ( e ) , } } if count > 0 { CopyUntilResult :: DelimiterNotFound ( count ) } else { CopyUntilResult :: ReaderEmpty } }
Copies the contents of a reader into a writer until a delimiter byte is found.
Copies the contents of a reader into a writer until a delimiter byte is found .
r
&mut R
w
&mut W
delimiter_byte
u8
r
&mut R
w
&mut W
delimiter_byte
u8