35     pub fn get_ref<'s>(&'s self) -> UnknownValueRef<'s> {  in get_ref()
37             UnknownValue::Fixed32(fixed32) => UnknownValueRef::Fixed32(fixed32),  in get_ref()
38             UnknownValue::Fixed64(fixed64) => UnknownValueRef::Fixed64(fixed64),  in get_ref()
39             UnknownValue::Varint(varint) => UnknownValueRef::Varint(varint),  in get_ref()
40             UnknownValue::LengthDelimited(ref bytes) => UnknownValueRef::LengthDelimited(&bytes),  in get_ref()
58 pub enum UnknownValueRef<'o> {  enum
69 impl<'o> UnknownValueRef<'o> {  implementation
73             UnknownValueRef::Fixed32(_) => wire_format::WireTypeFixed32,  in wire_type()
74             UnknownValueRef::Fixed64(_) => wire_format::WireTypeFixed64,  in wire_type()
75             UnknownValueRef::Varint(_) => wire_format::WireTypeVarint,  in wire_type()
76             UnknownValueRef::LengthDelimited(_) => wire_format::WireTypeLengthDelimited,  in wire_type()
121     type Item = UnknownValueRef<'a>;
138     type Item = UnknownValueRef<'o>;
140     fn next(&mut self) -> Option<UnknownValueRef<'o>> {  in next()
143             return Some(UnknownValueRef::Fixed32(*fixed32.unwrap()));  in next()
147             return Some(UnknownValueRef::Fixed64(*fixed64.unwrap()));  in next()
151             return Some(UnknownValueRef::Varint(*varint.unwrap()));  in next()
155             return Some(UnknownValueRef::LengthDelimited(&length_delimited.unwrap()));  in next()