67     fn serialize<'a: 's, S: Serializer<'s>>(  in serialize()
69         serializer: &mut S,  in serialize()  argument
70     ) -> Result<S::Ok, S::Error> {  in serialize()
125     fn serialize<'a: 's, S: Serializer<'s>>(  in serialize()
127         serializer: &mut S,  in serialize()  argument
128     ) -> Result<S::Ok, S::Error> {  in serialize()
172     fn serialize<'a: 's, S: Serializer<'s>>(  in serialize()
174         serializer: &mut S,  in serialize()  argument
175     ) -> Result<S::Ok, S::Error> {  in serialize()
200     fn serialize<'a: 's, S: Serializer<'s>>(  in serialize()
202         serializer: &mut S,  in serialize()  argument
203     ) -> Result<S::Ok, S::Error> {  in serialize()