Struct serde_json::ser::Serializer

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pub struct Serializer<W, F = CompactFormatter> { /* private fields */ }
Expand description

A structure for serializing Rust values into JSON.

Implementations§

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impl<W> Serializer<W>
where W: Write,

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pub fn new(writer: W) -> Self

Creates a new JSON serializer.

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impl<'a, W> Serializer<W, PrettyFormatter<'a>>
where W: Write,

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pub fn pretty(writer: W) -> Self

Creates a new JSON pretty print serializer.

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impl<W, F> Serializer<W, F>
where W: Write, F: Formatter,

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pub fn with_formatter(writer: W, formatter: F) -> Self

Creates a new JSON visitor whose output will be written to the writer specified.

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pub fn into_inner(self) -> W

Unwrap the Writer from the Serializer.

Trait Implementations§

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impl<'a, W, F> Serializer for &'a mut Serializer<W, F>
where W: Write, F: Formatter,

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fn serialize_newtype_struct<T>( self, _name: &'static str, value: &T ) -> Result<()>
where T: ?Sized + Serialize,

Serialize newtypes without an object wrapper.

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type Ok = ()

The output type produced by this Serializer during successful serialization. Most serializers that produce text or binary output should set Ok = () and serialize into an io::Write or buffer contained within the Serializer instance. Serializers that build in-memory data structures may be simplified by using Ok to propagate the data structure around.
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type Error = Error

The error type when some error occurs during serialization.
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type SerializeSeq = Compound<'a, W, F>

Type returned from serialize_seq for serializing the content of the sequence.
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type SerializeTuple = Compound<'a, W, F>

Type returned from serialize_tuple for serializing the content of the tuple.
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type SerializeTupleStruct = Compound<'a, W, F>

Type returned from serialize_tuple_struct for serializing the content of the tuple struct.
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type SerializeTupleVariant = Compound<'a, W, F>

Type returned from serialize_tuple_variant for serializing the content of the tuple variant.
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type SerializeMap = Compound<'a, W, F>

Type returned from serialize_map for serializing the content of the map.
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type SerializeStruct = Compound<'a, W, F>

Type returned from serialize_struct for serializing the content of the struct.
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type SerializeStructVariant = Compound<'a, W, F>

Type returned from serialize_struct_variant for serializing the content of the struct variant.
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fn serialize_bool(self, value: bool) -> Result<()>

Serialize a bool value. Read more
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fn serialize_i8(self, value: i8) -> Result<()>

Serialize an i8 value. Read more
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fn serialize_i16(self, value: i16) -> Result<()>

Serialize an i16 value. Read more
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fn serialize_i32(self, value: i32) -> Result<()>

Serialize an i32 value. Read more
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fn serialize_i64(self, value: i64) -> Result<()>

Serialize an i64 value. Read more
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fn serialize_i128(self, value: i128) -> Result<()>

Serialize an i128 value. Read more
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fn serialize_u8(self, value: u8) -> Result<()>

Serialize a u8 value. Read more
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fn serialize_u16(self, value: u16) -> Result<()>

Serialize a u16 value. Read more
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fn serialize_u32(self, value: u32) -> Result<()>

Serialize a u32 value. Read more
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fn serialize_u64(self, value: u64) -> Result<()>

Serialize a u64 value. Read more
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fn serialize_u128(self, value: u128) -> Result<()>

Serialize a u128 value. Read more
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fn serialize_f32(self, value: f32) -> Result<()>

Serialize an f32 value. Read more
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fn serialize_f64(self, value: f64) -> Result<()>

Serialize an f64 value. Read more
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fn serialize_char(self, value: char) -> Result<()>

Serialize a character. Read more
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fn serialize_str(self, value: &str) -> Result<()>

Serialize a &str. Read more
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fn serialize_bytes(self, value: &[u8]) -> Result<()>

Serialize a chunk of raw byte data. Read more
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fn serialize_unit(self) -> Result<()>

Serialize a () value. Read more
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fn serialize_unit_struct(self, _name: &'static str) -> Result<()>

Serialize a unit struct like struct Unit or PhantomData<T>. Read more
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fn serialize_unit_variant( self, _name: &'static str, _variant_index: u32, variant: &'static str ) -> Result<()>

Serialize a unit variant like E::A in enum E { A, B }. Read more
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fn serialize_newtype_variant<T>( self, _name: &'static str, _variant_index: u32, variant: &'static str, value: &T ) -> Result<()>
where T: ?Sized + Serialize,

Serialize a newtype variant like E::N in enum E { N(u8) }. Read more
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fn serialize_none(self) -> Result<()>

Serialize a None value. Read more
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fn serialize_some<T>(self, value: &T) -> Result<()>
where T: ?Sized + Serialize,

Serialize a Some(T) value. Read more
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fn serialize_seq(self, len: Option<usize>) -> Result<Self::SerializeSeq>

Begin to serialize a variably sized sequence. This call must be followed by zero or more calls to serialize_element, then a call to end. Read more
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fn serialize_tuple(self, len: usize) -> Result<Self::SerializeTuple>

Begin to serialize a statically sized sequence whose length will be known at deserialization time without looking at the serialized data. This call must be followed by zero or more calls to serialize_element, then a call to end. Read more
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fn serialize_tuple_struct( self, _name: &'static str, len: usize ) -> Result<Self::SerializeTupleStruct>

Begin to serialize a tuple struct like struct Rgb(u8, u8, u8). This call must be followed by zero or more calls to serialize_field, then a call to end. Read more
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fn serialize_tuple_variant( self, _name: &'static str, _variant_index: u32, variant: &'static str, len: usize ) -> Result<Self::SerializeTupleVariant>

Begin to serialize a tuple variant like E::T in enum E { T(u8, u8) }. This call must be followed by zero or more calls to serialize_field, then a call to end. Read more
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fn serialize_map(self, len: Option<usize>) -> Result<Self::SerializeMap>

Begin to serialize a map. This call must be followed by zero or more calls to serialize_key and serialize_value, then a call to end. Read more
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fn serialize_struct( self, name: &'static str, len: usize ) -> Result<Self::SerializeStruct>

Begin to serialize a struct like struct Rgb { r: u8, g: u8, b: u8 }. This call must be followed by zero or more calls to serialize_field, then a call to end. Read more
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fn serialize_struct_variant( self, _name: &'static str, _variant_index: u32, variant: &'static str, len: usize ) -> Result<Self::SerializeStructVariant>

Begin to serialize a struct variant like E::S in enum E { S { r: u8, g: u8, b: u8 } }. This call must be followed by zero or more calls to serialize_field, then a call to end. Read more
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fn collect_str<T>(self, value: &T) -> Result<()>
where T: ?Sized + Display,

Serialize a string produced by an implementation of Display. Read more
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fn collect_seq<I>(self, iter: I) -> Result<Self::Ok, Self::Error>

Collect an iterator as a sequence. Read more
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fn collect_map<K, V, I>(self, iter: I) -> Result<Self::Ok, Self::Error>
where K: Serialize, V: Serialize, I: IntoIterator<Item = (K, V)>,

Collect an iterator as a map. Read more
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fn is_human_readable(&self) -> bool

Determine whether Serialize implementations should serialize in human-readable form. Read more

Auto Trait Implementations§

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impl<W, F> Freeze for Serializer<W, F>
where W: Freeze, F: Freeze,

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impl<W, F> RefUnwindSafe for Serializer<W, F>

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impl<W, F> Send for Serializer<W, F>
where W: Send, F: Send,

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impl<W, F> Sync for Serializer<W, F>
where W: Sync, F: Sync,

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impl<W, F> Unpin for Serializer<W, F>
where W: Unpin, F: Unpin,

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impl<W, F> UnwindSafe for Serializer<W, F>
where W: UnwindSafe, F: UnwindSafe,

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.