428     pub enum Content {  enum
471     impl Serialize for Content {  implementation
578         fn serialize_bool(self, v: bool) -> Result<Content, E> {  in serialize_bool()
582         fn serialize_i8(self, v: i8) -> Result<Content, E> {  in serialize_i8()
586         fn serialize_i16(self, v: i16) -> Result<Content, E> {  in serialize_i16()
590         fn serialize_i32(self, v: i32) -> Result<Content, E> {  in serialize_i32()
594         fn serialize_i64(self, v: i64) -> Result<Content, E> {  in serialize_i64()
598         fn serialize_u8(self, v: u8) -> Result<Content, E> {  in serialize_u8()
602         fn serialize_u16(self, v: u16) -> Result<Content, E> {  in serialize_u16()
606         fn serialize_u32(self, v: u32) -> Result<Content, E> {  in serialize_u32()
610         fn serialize_u64(self, v: u64) -> Result<Content, E> {  in serialize_u64()
614         fn serialize_f32(self, v: f32) -> Result<Content, E> {  in serialize_f32()
618         fn serialize_f64(self, v: f64) -> Result<Content, E> {  in serialize_f64()
622         fn serialize_char(self, v: char) -> Result<Content, E> {  in serialize_char()
626         fn serialize_str(self, value: &str) -> Result<Content, E> {  in serialize_str()
630         fn serialize_bytes(self, value: &[u8]) -> Result<Content, E> {  in serialize_bytes()
634         fn serialize_none(self) -> Result<Content, E> {  in serialize_none()
638         fn serialize_some<T: ?Sized>(self, value: &T) -> Result<Content, E>  in serialize_some()
645         fn serialize_unit(self) -> Result<Content, E> {  in serialize_unit()
649         fn serialize_unit_struct(self, name: &'static str) -> Result<Content, E> {  in serialize_unit_struct()
658         ) -> Result<Content, E> {  in serialize_unit_variant()
666         ) -> Result<Content, E>  in serialize_newtype_struct()
682         ) -> Result<Content, E>  in serialize_newtype_variant()
794         fn end(self) -> Result<Content, E> {  in end()
820         fn end(self) -> Result<Content, E> {  in end()
847         fn end(self) -> Result<Content, E> {  in end()
876         fn end(self) -> Result<Content, E> {  in end()
921         fn end(self) -> Result<Content, E> {  in end()
959         fn end(self) -> Result<Content, E> {  in end()
988         fn end(self) -> Result<Content, E> {  in end()