17         type Error = core::fmt::Error;  in is_num_or_string()  typedef
27         fn serialize_str(self, _value: &str) -> Result<Self::Ok, Self::Error> {  in is_num_or_string()
35         ) -> Result<Self::Ok, Self::Error> {  in is_num_or_string()
42         ) -> Result<Self::Ok, Self::Error> {  in is_num_or_string()
46         fn serialize_bool(self, _value: bool) -> Result<Self::Ok, Self::Error> {  in is_num_or_string()
49         fn serialize_i8(self, _value: i8) -> Result<Self::Ok, Self::Error> {  in is_num_or_string()
52         fn serialize_i16(self, _value: i16) -> Result<Self::Ok, Self::Error> {  in is_num_or_string()
55         fn serialize_i32(self, _value: i32) -> Result<Self::Ok, Self::Error> {  in is_num_or_string()
58         fn serialize_i64(self, _value: i64) -> Result<Self::Ok, Self::Error> {  in is_num_or_string()
66         fn serialize_u8(self, _value: u8) -> Result<Self::Ok, Self::Error> {  in is_num_or_string()
69         fn serialize_u16(self, _value: u16) -> Result<Self::Ok, Self::Error> {  in is_num_or_string()
72         fn serialize_u32(self, _value: u32) -> Result<Self::Ok, Self::Error> {  in is_num_or_string()
75         fn serialize_u64(self, _value: u64) -> Result<Self::Ok, Self::Error> {  in is_num_or_string()
83         fn serialize_f32(self, _value: f32) -> Result<Self::Ok, Self::Error> {  in is_num_or_string()
86         fn serialize_f64(self, _value: f64) -> Result<Self::Ok, Self::Error> {  in is_num_or_string()
89         fn serialize_char(self, _value: char) -> Result<Self::Ok, Self::Error> {  in is_num_or_string()
92         fn serialize_bytes(self, _value: &[u8]) -> Result<Self::Ok, Self::Error> {  in is_num_or_string()
95         fn serialize_unit(self) -> Result<Self::Ok, Self::Error> {  in is_num_or_string()
98         fn serialize_unit_struct(self, _name: &'static str) -> Result<Self::Ok, Self::Error> {  in is_num_or_string()
107         ) -> Result<Self::Ok, Self::Error> {  in is_num_or_string()
110         fn serialize_none(self) -> Result<Self::Ok, Self::Error> {  in is_num_or_string()
116         ) -> Result<Self::Ok, Self::Error> {  in is_num_or_string()
119         fn serialize_seq(self, _len: Option<usize>) -> Result<Self::SerializeSeq, Self::Error> {  in is_num_or_string()
122         fn serialize_tuple(self, _len: usize) -> Result<Self::SerializeTuple, Self::Error> {  in is_num_or_string()
129         ) -> Result<Self::SerializeTupleStruct, Self::Error> {  in is_num_or_string()
138         ) -> Result<Self::SerializeTupleVariant, Self::Error> {  in is_num_or_string()
141         fn serialize_map(self, _len: Option<usize>) -> Result<Self::SerializeMap, Self::Error> {  in is_num_or_string()
148         ) -> Result<Self::SerializeStruct, Self::Error> {  in is_num_or_string()
157         ) -> Result<Self::SerializeStructVariant, Self::Error> {  in is_num_or_string()
163         ) -> Result<Self::Ok, Self::Error> {  in is_num_or_string()