30     inner: ErrorInner,
34 enum ErrorInner {  enum
48             ErrorInner::Io { path: None, .. } => None,  in path()
49             ErrorInner::Io { path: Some(ref path), .. } => Some(path),  in path()
50             ErrorInner::Loop { ref child, .. } => Some(child),  in path()
68             ErrorInner::Loop { ref ancestor, .. } => Some(ancestor),  in loop_ancestor()
145             ErrorInner::Io { ref err, .. } => Some(err),  in io_error()
146             ErrorInner::Loop { .. } => None,  in io_error()
157             ErrorInner::Io { err, .. } => Some(err),  in into_io_error()
158             ErrorInner::Loop { .. } => None,  in into_io_error()
169             inner: ErrorInner::Io { path: Some(pb), err: err },  in from_path()
176             inner: ErrorInner::Io {  in from_entry()
184         Error { depth: depth, inner: ErrorInner::Io { path: None, err: err } }  in from_io()
194             inner: ErrorInner::Loop {  in from_loop()
206             ErrorInner::Io { ref err, .. } => err.description(),  in description()
207             ErrorInner::Loop { .. } => "file system loop found",  in description()
217             ErrorInner::Io { ref err, .. } => Some(err),  in source()
218             ErrorInner::Loop { .. } => None,  in source()
226             ErrorInner::Io { path: None, ref err } => err.fmt(f),  in fmt()
227             ErrorInner::Io { path: Some(ref path), ref err } => write!(  in fmt()
233             ErrorInner::Loop { ref ancestor, ref child } => write!(  in fmt()
258             Error { inner: ErrorInner::Io { ref err, .. }, .. } => err.kind(),  in from()
259             Error { inner: ErrorInner::Loop { .. }, .. } => {  in from()