pub fn decode_drawing<In: IntoIterator<Item=char>>(source: In) -> impl Iterator<Item=Result<Draw, DecoderError>> {
    // The decoder represents the state machine used for decoding this item
    let mut decoder     = CanvasDecoder::new();
    let mut seen_error  = false;

    // Map the source characters into draw actions via the decoder
    source.into_iter()
        .filter_map(move |chr| {
            match decoder.decode(chr) {
                Ok(Some(draw))  => Some(Ok(draw)),
                Ok(None)        => None,
                Err(err)        => {
                    // The decoder will just return errors once it hits a failure: only return the initial error
                    if !seen_error {
                        seen_error = true;
                        Some(Err(err))
                    } else {
                        None
                    }
                }
            }
        })
}
///
/// Decodes a canvas drawing represented as an iterator of characters. If there's an error in the stream, it will
/// be the last item decoded.
///
Decodes a canvas drawing represented as an iterator of characters. If there's an error in the stream, it will
be the last item decoded.
Decodes a canvas drawing represented as an iterator of characters . If there ' s an error in the stream it will be the last item decoded .
pub fn decode_drawing<In: IntoIterator<Item=char>>(source: In) -> impl Iterator<Item=Result<Draw, DecoderError>> {
    // The decoder represents the state machine used for decoding this item
    let mut decoder     = CanvasDecoder::new();
    let mut seen_error  = false;
    // Map the source characters into draw actions via the decoder
    source.into_iter()
        .filter_map(move |chr| {
            match decoder.decode(chr) {
                Ok(Some(draw))  => Some(Ok(draw)),
                Ok(None)        => None,
                Err(err)        => {
                    // The decoder will just return errors once it hits a failure: only return the initial error
                    if !seen_error {
                        seen_error = true;
                        Some(Err(err))
                    } else {
                        None
                    }
                }
            }
        })
}
pub fn decode_drawing < In : IntoIterator < Item = char > > ( source : In ) -> impl Iterator < Item = Result < Draw , DecoderError > > { // The decoder represents the state machine used for decoding this item let mut decoder = CanvasDecoder :: new ( ) ; let mut seen_error = false ; // Map the source characters into draw actions via the decoder source . into_iter ( ) . filter_map ( move | chr | { match decoder . decode ( chr ) { Ok ( Some ( draw ) ) => Some ( Ok ( draw ) ) , Ok ( None ) => None , Err ( err ) => { // The decoder will just return errors once it hits a failure: only return the initial error if ! seen_error { seen_error = true ; Some ( Err ( err ) ) } else { None } } } } ) }
Decodes a canvas drawing represented as an iterator of characters.
Decodes a canvas drawing represented as an iterator of characters .
source
In