2020-05-23 20:33:02 +00:00
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use serde::Serialize;
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2021-01-06 16:42:02 +00:00
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use super::value::writer::{Writer, CompoundWriter};
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2020-05-23 20:33:02 +00:00
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2020-05-25 13:34:17 +00:00
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pub use super::error::Error;
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2020-05-23 20:33:02 +00:00
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type Result<T> = std::result::Result<T, Error>;
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#[derive(Debug)]
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2021-01-06 16:42:02 +00:00
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pub struct Serializer<'w, W: Writer> {
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pub write: &'w mut W,
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2020-05-23 20:33:02 +00:00
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}
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2021-01-06 16:42:02 +00:00
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impl<'w, W: Writer> Serializer<'w, W> {
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pub fn new(write: &'w mut W) -> Self {
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2020-05-27 07:04:55 +00:00
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Serializer { write }
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2020-05-23 20:33:02 +00:00
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}
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}
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#[derive(Debug)]
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2021-01-06 16:42:02 +00:00
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pub struct SerializeCompound<'a, 'w, W: Writer> {
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ser: &'a mut Serializer<'w, W>,
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c: W::SeqWriter,
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2020-07-08 12:34:25 +00:00
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}
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#[derive(Debug)]
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2021-01-06 16:42:02 +00:00
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pub struct SerializeDictionary<'a, 'w, W: Writer> {
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ser: &'a mut Serializer<'w, W>,
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d: W::SetWriter,
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2020-05-23 20:33:02 +00:00
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}
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2021-01-06 16:42:02 +00:00
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impl<'a, 'w, W: Writer> serde::Serializer for &'a mut Serializer<'w, W> {
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type Ok = ();
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2020-05-23 20:33:02 +00:00
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type Error = Error;
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type SerializeSeq = SerializeCompound<'a, 'w, W>;
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type SerializeTuple = SerializeCompound<'a, 'w, W>;
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type SerializeTupleStruct = SerializeCompound<'a, 'w, W>;
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type SerializeTupleVariant = SerializeCompound<'a, 'w, W>;
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type SerializeMap = SerializeDictionary<'a, 'w, W>;
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type SerializeStruct = SerializeCompound<'a, 'w, W>;
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type SerializeStructVariant = SerializeCompound<'a, 'w, W>;
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2020-05-23 20:33:02 +00:00
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2020-07-08 12:34:25 +00:00
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fn serialize_bool(self, v: bool) -> Result<Self::Ok> {
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2020-05-23 20:33:02 +00:00
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Ok(self.write.write_bool(v)?)
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}
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2020-07-08 12:34:25 +00:00
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fn serialize_i8(self, v: i8) -> Result<Self::Ok> {
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2020-05-23 20:33:02 +00:00
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Ok(self.write.write_i8(v)?)
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}
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2020-07-08 12:34:25 +00:00
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fn serialize_i16(self, v: i16) -> Result<Self::Ok> {
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2020-05-23 20:33:02 +00:00
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Ok(self.write.write_i16(v)?)
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}
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2020-07-08 12:34:25 +00:00
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fn serialize_i32(self, v: i32) -> Result<Self::Ok> {
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2020-05-23 20:33:02 +00:00
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Ok(self.write.write_i32(v)?)
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}
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2020-07-08 12:34:25 +00:00
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fn serialize_i64(self, v: i64) -> Result<Self::Ok> {
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2020-05-23 20:33:02 +00:00
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Ok(self.write.write_i64(v)?)
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}
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2020-07-08 12:34:25 +00:00
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fn serialize_u8(self, v: u8) -> Result<Self::Ok> {
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2020-05-23 20:33:02 +00:00
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Ok(self.write.write_u8(v)?)
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}
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2020-07-08 12:34:25 +00:00
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fn serialize_u16(self, v: u16) -> Result<Self::Ok> {
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2020-05-23 20:33:02 +00:00
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Ok(self.write.write_u16(v)?)
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}
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2020-07-08 12:34:25 +00:00
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fn serialize_u32(self, v: u32) -> Result<Self::Ok> {
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2020-05-23 20:33:02 +00:00
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Ok(self.write.write_u32(v)?)
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}
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2020-07-08 12:34:25 +00:00
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fn serialize_u64(self, v: u64) -> Result<Self::Ok> {
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2020-05-23 20:33:02 +00:00
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Ok(self.write.write_u64(v)?)
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}
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2020-07-08 12:34:25 +00:00
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fn serialize_f32(self, v: f32) -> Result<Self::Ok> {
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2020-05-23 20:33:02 +00:00
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Ok(self.write.write_f32(v)?)
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}
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2020-07-08 12:34:25 +00:00
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fn serialize_f64(self, v: f64) -> Result<Self::Ok> {
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2020-05-23 20:33:02 +00:00
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Ok(self.write.write_f64(v)?)
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}
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2020-07-08 12:34:25 +00:00
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fn serialize_char(self, v: char) -> Result<Self::Ok> {
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let mut c = self.write.start_record(Some(1))?;
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c.extend()?;
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c.write_symbol("UnicodeScalar")?;
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c.delimit()?;
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c.extend()?;
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c.write_u32(v as u32)?;
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c.delimit()?;
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Ok(self.write.end_seq(c)?)
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2020-05-23 20:33:02 +00:00
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}
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2020-07-08 12:34:25 +00:00
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fn serialize_str(self, v: &str) -> Result<Self::Ok> {
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2020-05-23 20:33:02 +00:00
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Ok(self.write.write_string(v)?)
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}
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2020-07-08 12:34:25 +00:00
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fn serialize_bytes(self, v: &[u8]) -> Result<Self::Ok> {
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2020-05-23 20:33:02 +00:00
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Ok(self.write.write_bytes(v)?)
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}
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2020-07-08 12:34:25 +00:00
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fn serialize_none(self) -> Result<Self::Ok> {
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2021-01-06 16:42:02 +00:00
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let mut c = self.write.start_record(Some(0))?;
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c.extend()?;
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c.write_symbol("None")?;
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c.delimit()?;
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Ok(self.write.end_seq(c)?)
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2020-05-23 20:33:02 +00:00
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}
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2020-07-08 12:34:25 +00:00
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fn serialize_some<T: ?Sized>(self, v: &T) -> Result<Self::Ok> where T: Serialize {
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let mut c = self.write.start_record(Some(1))?;
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c.extend()?;
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c.write_symbol("Some")?;
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c.delimit()?;
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c.extend()?;
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to_writer(&mut c, v)?;
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c.delimit()?;
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Ok(self.write.end_seq(c)?)
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2020-05-23 20:33:02 +00:00
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}
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2020-07-08 12:34:25 +00:00
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fn serialize_unit(self) -> Result<Self::Ok> {
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let mut c = self.write.start_record(Some(0))?;
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c.extend()?;
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c.write_symbol("tuple")?;
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c.delimit()?;
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Ok(self.write.end_seq(c)?)
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2020-05-23 20:33:02 +00:00
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}
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2020-07-08 12:34:25 +00:00
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fn serialize_unit_struct(self, name: &'static str) -> Result<Self::Ok> {
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let mut c = self.write.start_record(Some(0))?;
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c.extend()?;
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c.write_symbol(name)?;
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c.delimit()?;
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Ok(self.write.end_seq(c)?)
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2020-05-23 20:33:02 +00:00
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}
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fn serialize_unit_variant(self,
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_name: &'static str,
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_variant: u32,
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variant_name: &'static str) ->
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2020-07-08 12:34:25 +00:00
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Result<Self::Ok>
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2020-05-23 20:33:02 +00:00
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{
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let mut c = self.write.start_record(Some(0))?;
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c.extend()?;
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c.write_symbol(variant_name)?;
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c.delimit()?;
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Ok(self.write.end_seq(c)?)
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2020-05-23 20:33:02 +00:00
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}
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fn serialize_newtype_struct<T: ?Sized>(self, name: &'static str, value: &T) ->
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2020-07-08 12:34:25 +00:00
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Result<Self::Ok> where T: Serialize
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2020-05-23 20:33:02 +00:00
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{
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2020-05-26 07:08:17 +00:00
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match super::value::magic::receive_output_value(name, value) {
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Some(v) => Ok(self.write.write(&v)?),
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None => {
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// TODO: This is apparently discouraged, and we should apparently just serialize `value`?
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2021-01-06 16:42:02 +00:00
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let mut c = self.write.start_record(Some(1))?;
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c.extend()?;
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c.write_symbol(name)?;
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c.delimit()?;
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c.extend()?;
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to_writer(&mut c, value)?;
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c.delimit()?;
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Ok(self.write.end_seq(c)?)
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2020-05-26 07:08:17 +00:00
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}
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2020-05-23 20:33:02 +00:00
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}
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}
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fn serialize_newtype_variant<T: ?Sized>(self,
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_name: &'static str,
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_variant: u32,
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variant_name: &'static str,
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value: &T) ->
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2020-07-08 12:34:25 +00:00
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Result<Self::Ok> where T: Serialize
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2020-05-23 20:33:02 +00:00
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{
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let mut c = self.write.start_record(Some(1))?;
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c.extend()?;
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c.write_symbol(variant_name)?;
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c.delimit()?;
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c.extend()?;
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to_writer(&mut c, value)?;
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c.delimit()?;
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Ok(self.write.end_seq(c)?)
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2020-05-23 20:33:02 +00:00
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}
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fn serialize_seq(self, count: Option<usize>) -> Result<Self::SerializeSeq> {
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let c = self.write.start_sequence(count)?;
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2020-07-08 12:34:25 +00:00
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Ok(SerializeCompound { ser: self, c })
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2020-05-23 20:33:02 +00:00
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}
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fn serialize_tuple(self, count: usize) -> Result<Self::SerializeTuple> {
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2021-01-06 16:42:02 +00:00
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let mut c = self.write.start_record(Some(count))?;
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c.extend()?;
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c.write_symbol("tuple")?;
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c.delimit()?;
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2020-07-08 12:34:25 +00:00
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Ok(SerializeCompound { ser: self, c })
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2020-05-23 20:33:02 +00:00
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}
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fn serialize_tuple_struct(self, name: &'static str, count: usize) ->
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Result<Self::SerializeTupleStruct>
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{
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2021-01-06 16:42:02 +00:00
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let mut c = self.write.start_record(Some(count))?;
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c.extend()?;
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c.write_symbol(name)?;
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c.delimit()?;
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2020-07-08 12:34:25 +00:00
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Ok(SerializeCompound { ser: self, c })
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2020-05-23 20:33:02 +00:00
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}
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fn serialize_tuple_variant(self,
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_name: &'static str,
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_variant: u32,
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variant_name: &'static str,
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count: usize) ->
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Result<Self::SerializeTupleVariant>
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{
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2021-01-06 16:42:02 +00:00
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let mut c = self.write.start_record(Some(count))?;
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c.extend()?;
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c.write_symbol(variant_name)?;
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c.delimit()?;
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2020-07-08 12:34:25 +00:00
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Ok(SerializeCompound { ser: self, c })
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2020-05-23 20:33:02 +00:00
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}
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fn serialize_map(self, count: Option<usize>) -> Result<Self::SerializeMap> {
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2021-01-06 16:42:02 +00:00
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let d = self.write.start_dictionary(count)?;
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Ok(SerializeDictionary { ser: self, d })
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2020-05-23 20:33:02 +00:00
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}
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fn serialize_struct(self, name: &'static str, count: usize) -> Result<Self::SerializeStruct> {
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2021-01-06 16:42:02 +00:00
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let mut c = self.write.start_record(Some(count))?;
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c.extend()?;
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c.write_symbol(name)?;
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c.delimit()?;
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2020-07-08 12:34:25 +00:00
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Ok(SerializeCompound { ser: self, c })
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2020-05-23 20:33:02 +00:00
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}
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fn serialize_struct_variant(self,
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_name: &'static str,
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_variant: u32,
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variant_name: &'static str,
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count: usize) ->
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Result<Self::SerializeStructVariant>
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{
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2021-01-06 16:42:02 +00:00
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let mut c = self.write.start_record(Some(count))?;
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c.extend()?;
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c.write_symbol(variant_name)?;
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c.delimit()?;
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2020-07-08 12:34:25 +00:00
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Ok(SerializeCompound { ser: self, c })
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2020-05-23 20:33:02 +00:00
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}
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}
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2021-01-06 16:42:02 +00:00
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impl<'a, 'w, W: Writer> serde::ser::SerializeMap for SerializeDictionary<'a, 'w, W> {
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type Ok = ();
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2020-05-23 20:33:02 +00:00
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type Error = Error;
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fn serialize_key<T: ?Sized>(&mut self, key: &T) -> Result<()> where T: Serialize {
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2021-01-06 16:42:02 +00:00
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self.d.extend()?;
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to_writer(&mut self.d, key)?;
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2020-07-08 12:34:25 +00:00
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Ok(())
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2020-05-23 20:33:02 +00:00
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}
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fn serialize_value<T: ?Sized>(&mut self, value: &T) -> Result<()> where T: Serialize {
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2021-01-06 16:42:02 +00:00
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to_writer(&mut self.d, value)?;
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Ok(self.d.delimit()?)
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2020-05-23 20:33:02 +00:00
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}
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2020-07-08 12:34:25 +00:00
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fn end(self) -> Result<Self::Ok> {
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Ok(self.ser.write.end_set(self.d)?)
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}
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}
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impl<'a, 'w, W: Writer> SerializeCompound<'a, 'w, W> {
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fn extend<T: ?Sized>(&mut self, value: &T) -> Result<()>
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where T: Serialize
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{
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self.c.extend()?;
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to_writer(&mut self.c, value)?;
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Ok(self.c.delimit()?)
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}
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fn complete(self) -> Result<()> {
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Ok(self.ser.write.end_seq(self.c)?)
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2020-05-23 20:33:02 +00:00
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}
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}
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2021-01-06 16:42:02 +00:00
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impl<'a, 'w, W: Writer> serde::ser::SerializeStruct for SerializeCompound<'a, 'w, W> {
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type Ok = ();
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2020-05-23 20:33:02 +00:00
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type Error = Error;
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fn serialize_field<T: ?Sized>(&mut self, _name: &'static str, value: &T) -> Result<()>
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where T: Serialize
|
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{
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2021-01-06 16:42:02 +00:00
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self.extend(value)
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2020-05-23 20:33:02 +00:00
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}
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2020-07-08 12:34:25 +00:00
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fn end(self) -> Result<Self::Ok> {
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2021-01-06 16:42:02 +00:00
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self.complete()
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2020-05-23 20:33:02 +00:00
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}
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}
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2021-01-06 16:42:02 +00:00
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impl<'a, 'w, W: Writer> serde::ser::SerializeStructVariant for SerializeCompound<'a, 'w, W> {
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type Ok = ();
|
2020-05-23 20:33:02 +00:00
|
|
|
type Error = Error;
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|
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|
fn serialize_field<T: ?Sized>(&mut self, _name: &'static str, value: &T) -> Result<()>
|
|
|
|
where T: Serialize
|
|
|
|
{
|
2021-01-06 16:42:02 +00:00
|
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|
self.extend(value)
|
2020-05-23 20:33:02 +00:00
|
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|
}
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|
2020-07-08 12:34:25 +00:00
|
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fn end(self) -> Result<Self::Ok> {
|
2021-01-06 16:42:02 +00:00
|
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|
self.complete()
|
2020-05-23 20:33:02 +00:00
|
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|
}
|
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}
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|
2021-01-06 16:42:02 +00:00
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impl<'a, 'w, W: Writer> serde::ser::SerializeTuple for SerializeCompound<'a, 'w, W> {
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|
type Ok = ();
|
2020-05-23 20:33:02 +00:00
|
|
|
type Error = Error;
|
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|
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|
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|
|
fn serialize_element<T: ?Sized>(&mut self, value: &T) -> Result<()> where T: Serialize {
|
2021-01-06 16:42:02 +00:00
|
|
|
self.extend(value)
|
2020-05-23 20:33:02 +00:00
|
|
|
}
|
|
|
|
|
2020-07-08 12:34:25 +00:00
|
|
|
fn end(self) -> Result<Self::Ok> {
|
2021-01-06 16:42:02 +00:00
|
|
|
self.complete()
|
2020-05-23 20:33:02 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2021-01-06 16:42:02 +00:00
|
|
|
impl<'a, 'w, W: Writer> serde::ser::SerializeTupleStruct for SerializeCompound<'a, 'w, W> {
|
|
|
|
type Ok = ();
|
2020-05-23 20:33:02 +00:00
|
|
|
type Error = Error;
|
|
|
|
|
|
|
|
fn serialize_field<T: ?Sized>(&mut self, value: &T) -> Result<()> where T: Serialize {
|
2021-01-06 16:42:02 +00:00
|
|
|
self.extend(value)
|
2020-05-23 20:33:02 +00:00
|
|
|
}
|
|
|
|
|
2020-07-08 12:34:25 +00:00
|
|
|
fn end(self) -> Result<Self::Ok> {
|
2021-01-06 16:42:02 +00:00
|
|
|
self.complete()
|
2020-05-23 20:33:02 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2021-01-06 16:42:02 +00:00
|
|
|
impl<'a, 'w, W: Writer> serde::ser::SerializeTupleVariant for SerializeCompound<'a, 'w, W> {
|
|
|
|
type Ok = ();
|
2020-05-23 20:33:02 +00:00
|
|
|
type Error = Error;
|
|
|
|
|
|
|
|
fn serialize_field<T: ?Sized>(&mut self, value: &T) -> Result<()> where T: Serialize {
|
2021-01-06 16:42:02 +00:00
|
|
|
self.extend(value)
|
2020-05-23 20:33:02 +00:00
|
|
|
}
|
|
|
|
|
2020-07-08 12:34:25 +00:00
|
|
|
fn end(self) -> Result<Self::Ok> {
|
2021-01-06 16:42:02 +00:00
|
|
|
self.complete()
|
2020-05-23 20:33:02 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2021-01-06 16:42:02 +00:00
|
|
|
impl<'a, 'w, W: Writer> serde::ser::SerializeSeq for SerializeCompound<'a, 'w, W> {
|
|
|
|
type Ok = ();
|
2020-05-23 20:33:02 +00:00
|
|
|
type Error = Error;
|
|
|
|
|
|
|
|
fn serialize_element<T: ?Sized>(&mut self, value: &T) -> Result<()> where T: Serialize {
|
2021-01-06 16:42:02 +00:00
|
|
|
self.extend(value)
|
2020-05-23 20:33:02 +00:00
|
|
|
}
|
|
|
|
|
2020-07-08 12:34:25 +00:00
|
|
|
fn end(self) -> Result<Self::Ok> {
|
2021-01-06 16:42:02 +00:00
|
|
|
self.complete()
|
2020-05-23 20:33:02 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2021-01-06 16:42:02 +00:00
|
|
|
pub fn to_writer<W: Writer, T: Serialize + ?Sized>(write: &mut W, value: &T) -> Result<()> {
|
|
|
|
Ok(value.serialize(&mut Serializer::new(write))?)
|
2020-05-23 20:33:02 +00:00
|
|
|
}
|