106     type SerializeMap = S::SerializeMap;  typedef
282     fn serialize_map(self, len: Option<usize>) -> Result<Self::SerializeMap, Self::Error> {  in serialize_map()
574         type SerializeMap = SerializeMap<E>;  typedef
736         fn serialize_map(self, len: Option<usize>) -> Result<Self::SerializeMap, E> {  in serialize_map()
886     pub struct SerializeMap<E> {  struct
887         entries: Vec<(Content, Content)>,
888         key: Option<Content>,
889         error: PhantomData<E>,
892     impl<E> ser::SerializeMap for SerializeMap<E>  implementation
1026     type SerializeMap = FlatMapSerializeMap<'a, M>;  typedef
1166     fn serialize_map(self, _: Option<usize>) -> Result<Self::SerializeMap, Self::Error> {  in serialize_map()