156     fn read_from_slice(&self, reader: &mut UserSliceReader) -> Result;  in read_from_slice()
160     fn read_from_slice(&self, reader: &mut UserSliceReader) -> Result {  in read_from_slice()
162         if reader.len() > buf.len() {  in read_from_slice()
165         let n = reader.len();  in read_from_slice()
166         reader.read_slice(&mut buf[..n])?;  in read_from_slice()
179     fn read_from_slice(&self, reader: &mut UserSliceReader) -> Result {  in read_from_slice()
181         if reader.len() > buf.len() {  in read_from_slice()
184         let n = reader.len();  in read_from_slice()
185         reader.read_slice(&mut buf[..n])?;  in read_from_slice()
207         reader: &mut UserSliceReader,  in read_from_slice_mut()
216         reader: &mut UserSliceReader,  in read_from_slice_mut()
219         reader.read_slice_file(self.as_bytes_mut(), offset)  in read_from_slice_mut()
227         reader: &mut UserSliceReader,  in read_from_slice_mut()
230         self.deref_mut().read_from_slice_mut(reader, offset)  in read_from_slice_mut()
242         reader: &mut UserSliceReader,  in read_from_slice_mut()
255         reader.read_slice_file(buffer, offset)  in read_from_slice_mut()
270         reader: &mut UserSliceReader,  in read_from_slice()
279         reader: &mut UserSliceReader,  in read_from_slice()
284         this.read_from_slice_mut(reader, offset)  in read_from_slice()
292         reader: &mut UserSliceReader,  in read_from_slice()
295         self.deref().read_from_slice(reader, offset)  in read_from_slice()
303         reader: &mut UserSliceReader,  in read_from_slice()
306         self.deref().read_from_slice(reader, offset)  in read_from_slice()
314         reader: &mut UserSliceReader,  in read_from_slice()
317         self.deref().read_from_slice(reader, offset)  in read_from_slice()