pub trait Serialize {
    fn serialize<S>(
        &self,
        serializer: S
    ) -> Result<<S as Serializer>::Ok, <S as Serializer>::Error>
    where
        S: Serializer
; }
Expand description

A data structure that can be serialized into any data format supported by Serde.

Serde provides Serialize implementations for many Rust primitive and standard library types. The complete list is here. All of these can be serialized using Serde out of the box.

Additionally, Serde provides a procedural macro called serde_derive to automatically generate Serialize implementations for structs and enums in your program. See the derive section of the manual for how to use this.

In rare cases it may be necessary to implement Serialize manually for some type in your program. See the Implementing Serialize section of the manual for more about this.

Third-party crates may provide Serialize implementations for types that they expose. For example the linked-hash-map crate provides a LinkedHashMap<K, V> type that is serializable by Serde because the crate provides an implementation of Serialize for it.

Required methods

Serialize this value into the given Serde serializer.

See the Implementing Serialize section of the manual for more information about how to implement this method.

use serde::ser::{Serialize, SerializeStruct, Serializer};

struct Person {
    name: String,
    age: u8,
    phones: Vec<String>,
}

// This is what #[derive(Serialize)] would generate.
impl Serialize for Person {
    fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
    where
        S: Serializer,
    {
        let mut s = serializer.serialize_struct("Person", 3)?;
        s.serialize_field("name", &self.name)?;
        s.serialize_field("age", &self.age)?;
        s.serialize_field("phones", &self.phones)?;
        s.end()
    }
}

Implementations on Foreign Types

Implementors

impl<T: Form> Serialize for ExtrinsicMetadata<T> where
    T::Type: Serialize,
    T::String: Serialize

impl<T: Form> Serialize for SignedExtensionMetadata<T> where
    T::Type: Serialize,
    T::String: Serialize

impl<T: Form> Serialize for PalletMetadata<T> where
    T::Type: Serialize,
    T::String: Serialize

impl<T: Form> Serialize for PalletStorageMetadata<T> where
    T::Type: Serialize,
    T::String: Serialize

impl<T: Form> Serialize for StorageEntryMetadata<T> where
    T::Type: Serialize,
    T::String: Serialize

impl<T: Form> Serialize for StorageEntryType<T> where
    T::Type: Serialize,
    T::String: Serialize

impl<T: Form> Serialize for PalletCallMetadata<T> where
    T::Type: Serialize,
    T::String: Serialize

impl<T: Form> Serialize for PalletEventMetadata<T> where
    T::Type: Serialize

impl<T: Form> Serialize for PalletConstantMetadata<T> where
    T::Type: Serialize,
    T::String: Serialize

impl<T: Form> Serialize for PalletErrorMetadata<T> where
    T::Type: Serialize

impl<T> Serialize for WrapperOpaque<T> where
    T: Serialize

impl Serialize for Phase

impl<E: Parameter + Member, T> Serialize for EventRecord<E, T> where
    E: Serialize,
    T: Serialize

impl<T: Config<I>, I: 'static> Serialize for GenesisConfig<T, I>

impl<T: Config<I>, I: 'static> Serialize for GenesisConfig<T, I>

impl<T: Config> Serialize for GenesisConfig<T>

impl<Balance> Serialize for InclusionFee<Balance> where
    Balance: Serialize

impl<Balance> Serialize for FeeDetails<Balance> where
    Balance: Serialize

impl<Balance> Serialize for RuntimeDispatchInfo<Balance> where
    Balance: Display

impl<T> Serialize for Compact<T> where
    T: Serialize

impl Serialize for U128

impl Serialize for U256

impl Serialize for U512

impl Serialize for H128

impl Serialize for H160

impl Serialize for H256

impl Serialize for H512

impl<T> Serialize for UntrackedSymbol<T>

impl<'a, T> Serialize for Symbol<'a, T>

impl<T> Serialize for Interner<T> where
    T: Serialize

impl<T: Form> Serialize for TypeDefComposite<T> where
    T::Type: Serialize,
    T::String: Serialize

impl<T: Form> Serialize for Field<T> where
    T::Type: Serialize,
    T::String: Serialize

impl<T: Form> Serialize for Path<T> where
    T::Type: Serialize,
    T::String: Serialize

impl<T: Form> Serialize for TypeDefVariant<T> where
    T::Type: Serialize,
    T::String: Serialize

impl<T: Form> Serialize for Variant<T> where
    T::Type: Serialize,
    T::String: Serialize

impl<T: Form> Serialize for Type<T> where
    T::Type: Serialize,
    T::String: Serialize

impl<T: Form> Serialize for TypeParameter<T> where
    T::Type: Serialize,
    T::String: Serialize

impl<T: Form> Serialize for TypeDef<T> where
    T::Type: Serialize,
    T::String: Serialize

impl<T: Form> Serialize for TypeDefArray<T> where
    T::Type: Serialize

impl<T: Form> Serialize for TypeDefTuple<T> where
    T::Type: Serialize,
    T::String: Serialize

impl<T: Form> Serialize for TypeDefSequence<T> where
    T::Type: Serialize

impl<T: Form> Serialize for TypeDefCompact<T> where
    T::Type: Serialize

impl<T: Form> Serialize for TypeDefBitSequence<T> where
    T::Type: Serialize,
    T::Type: Serialize

impl Serialize for Value

impl Serialize for Number

impl Serialize for Public

impl Serialize for Public

impl Serialize for Public

impl Serialize for PerU16

impl Serialize for Public

impl Serialize for Public

impl Serialize for Public

impl Serialize for Bytes

impl<Hash> Serialize for StorageChangeSet<Hash> where
    Hash: Serialize

impl Serialize for Value

impl<T: Serialize> Serialize for Spanned<T>

impl<'a> Serialize for SerializeFieldMap<'a, Event<'_>>

impl<'a> Serialize for SerializeFieldMap<'a, Attributes<'_>>

impl<'a> Serialize for SerializeFieldMap<'a, Record<'_>>

impl<'a> Serialize for SerializeFieldSet<'a>

impl<'a> Serialize for SerializeLevel<'a>

impl<'a> Serialize for SerializeId<'a>

impl<'a> Serialize for SerializeMetadata<'a>

impl<'a> Serialize for SerializeEvent<'a>

impl<'a> Serialize for SerializeRecord<'a>