Trait serde::ser::Serialize

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pub trait Serialize {
    // Required method
    fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::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§

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fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>where S: Serializer,

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§

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impl Serialize for u64

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fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>where S: Serializer,

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impl<T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13> Serialize for (T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13)where T0: Serialize, T1: Serialize, T2: Serialize, T3: Serialize, T4: Serialize, T5: Serialize, T6: Serialize, T7: Serialize, T8: Serialize, T9: Serialize, T10: Serialize, T11: Serialize, T12: Serialize, T13: Serialize,

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fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>where S: Serializer,

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impl<T> Serialize for [T; 15]where T: Serialize,

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fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>where S: Serializer,

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impl Serialize for str

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fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>where S: Serializer,

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impl<'a, T> Serialize for &'a Twhere T: Serialize + ?Sized,

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fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>where S: Serializer,

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impl<T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14> Serialize for (T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14)where T0: Serialize, T1: Serialize, T2: Serialize, T3: Serialize, T4: Serialize, T5: Serialize, T6: Serialize, T7: Serialize, T8: Serialize, T9: Serialize, T10: Serialize, T11: Serialize, T12: Serialize, T13: Serialize, T14: Serialize,

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fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>where S: Serializer,

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impl<T> Serialize for [T; 29]where T: Serialize,

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fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>where S: Serializer,

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impl Serialize for f32

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fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>where S: Serializer,

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impl Serialize for ()

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fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>where S: Serializer,

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impl<T> Serialize for [T; 28]where T: Serialize,

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fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>where S: Serializer,

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impl<T> Serialize for [T; 20]where T: Serialize,

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fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>where S: Serializer,

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impl<T> Serialize for [T; 26]where T: Serialize,

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fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>where S: Serializer,

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impl<T0, T1, T2, T3, T4, T5, T6, T7, T8, T9> Serialize for (T0, T1, T2, T3, T4, T5, T6, T7, T8, T9)where T0: Serialize, T1: Serialize, T2: Serialize, T3: Serialize, T4: Serialize, T5: Serialize, T6: Serialize, T7: Serialize, T8: Serialize, T9: Serialize,

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fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>where S: Serializer,

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impl<T> Serialize for [T; 3]where T: Serialize,

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fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>where S: Serializer,

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impl<T> Serialize for [T; 24]where T: Serialize,

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fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>where S: Serializer,

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impl Serialize for char

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fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>where S: Serializer,

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impl<T0, T1, T2, T3, T4, T5, T6> Serialize for (T0, T1, T2, T3, T4, T5, T6)where T0: Serialize, T1: Serialize, T2: Serialize, T3: Serialize, T4: Serialize, T5: Serialize, T6: Serialize,

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fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>where S: Serializer,

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impl<T> Serialize for [T; 6]where T: Serialize,

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fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>where S: Serializer,

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impl<T> Serialize for [T; 11]where T: Serialize,

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fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>where S: Serializer,

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impl<T> Serialize for [T; 21]where T: Serialize,

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fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>where S: Serializer,

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impl<T> Serialize for [T; 7]where T: Serialize,

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fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>where S: Serializer,

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impl Serialize for isize

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fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>where S: Serializer,

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impl<T> Serialize for [T; 0]

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fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>where S: Serializer,

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impl Serialize for i16

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fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>where S: Serializer,

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impl Serialize for u16

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fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>where S: Serializer,

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impl<T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11> Serialize for (T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11)where T0: Serialize, T1: Serialize, T2: Serialize, T3: Serialize, T4: Serialize, T5: Serialize, T6: Serialize, T7: Serialize, T8: Serialize, T9: Serialize, T10: Serialize, T11: Serialize,

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fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>where S: Serializer,

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impl<T0> Serialize for (T0,)where T0: Serialize,

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fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>where S: Serializer,

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impl<T> Serialize for [T; 14]where T: Serialize,

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fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>where S: Serializer,

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impl<T> Serialize for [T; 13]where T: Serialize,

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fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>where S: Serializer,

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impl<T> Serialize for [T; 18]where T: Serialize,

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fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>where S: Serializer,

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impl<T> Serialize for [T; 25]where T: Serialize,

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fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>where S: Serializer,

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impl<T> Serialize for [T; 2]where T: Serialize,

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fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>where S: Serializer,

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impl<T> Serialize for [T; 23]where T: Serialize,

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fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>where S: Serializer,

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impl<T> Serialize for [T; 5]where T: Serialize,

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fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>where S: Serializer,

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impl<T0, T1, T2, T3, T4, T5, T6, T7, T8> Serialize for (T0, T1, T2, T3, T4, T5, T6, T7, T8)where T0: Serialize, T1: Serialize, T2: Serialize, T3: Serialize, T4: Serialize, T5: Serialize, T6: Serialize, T7: Serialize, T8: Serialize,

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fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>where S: Serializer,

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impl<T0, T1, T2, T3, T4> Serialize for (T0, T1, T2, T3, T4)where T0: Serialize, T1: Serialize, T2: Serialize, T3: Serialize, T4: Serialize,

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fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>where S: Serializer,

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impl Serialize for bool

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fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>where S: Serializer,

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impl<T0, T1> Serialize for (T0, T1)where T0: Serialize, T1: Serialize,

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fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>where S: Serializer,

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impl Serialize for usize

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fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>where S: Serializer,

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impl<'a, T> Serialize for &'a mut Twhere T: Serialize + ?Sized,

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fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>where S: Serializer,

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impl<T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10> Serialize for (T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10)where T0: Serialize, T1: Serialize, T2: Serialize, T3: Serialize, T4: Serialize, T5: Serialize, T6: Serialize, T7: Serialize, T8: Serialize, T9: Serialize, T10: Serialize,

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fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>where S: Serializer,

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impl<T> Serialize for [T; 19]where T: Serialize,

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fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>where S: Serializer,

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impl<T> Serialize for [T]where T: Serialize,

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fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>where S: Serializer,

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impl<T0, T1, T2, T3, T4, T5> Serialize for (T0, T1, T2, T3, T4, T5)where T0: Serialize, T1: Serialize, T2: Serialize, T3: Serialize, T4: Serialize, T5: Serialize,

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fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>where S: Serializer,

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impl<T0, T1, T2, T3, T4, T5, T6, T7> Serialize for (T0, T1, T2, T3, T4, T5, T6, T7)where T0: Serialize, T1: Serialize, T2: Serialize, T3: Serialize, T4: Serialize, T5: Serialize, T6: Serialize, T7: Serialize,

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fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>where S: Serializer,

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impl Serialize for u32

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fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>where S: Serializer,

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impl<T> Serialize for [T; 4]where T: Serialize,

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fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>where S: Serializer,

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impl Serialize for i128

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fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>where S: Serializer,

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impl<T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12> Serialize for (T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12)where T0: Serialize, T1: Serialize, T2: Serialize, T3: Serialize, T4: Serialize, T5: Serialize, T6: Serialize, T7: Serialize, T8: Serialize, T9: Serialize, T10: Serialize, T11: Serialize, T12: Serialize,

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fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>where S: Serializer,

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impl Serialize for i64

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fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>where S: Serializer,

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impl<T> Serialize for [T; 31]where T: Serialize,

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fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>where S: Serializer,

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impl Serialize for u128

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fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>where S: Serializer,

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impl<T> Serialize for [T; 17]where T: Serialize,

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fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>where S: Serializer,

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impl<T0, T1, T2, T3> Serialize for (T0, T1, T2, T3)where T0: Serialize, T1: Serialize, T2: Serialize, T3: Serialize,

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fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>where S: Serializer,

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impl<T> Serialize for [T; 22]where T: Serialize,

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fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>where S: Serializer,

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impl Serialize for u8

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fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>where S: Serializer,

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impl<T> Serialize for [T; 1]where T: Serialize,

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fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>where S: Serializer,

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impl Serialize for i8

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fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>where S: Serializer,

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impl<T> Serialize for [T; 9]where T: Serialize,

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fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>where S: Serializer,

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impl Serialize for f64

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fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>where S: Serializer,

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impl<T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15> Serialize for (T0, T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15)where T0: Serialize, T1: Serialize, T2: Serialize, T3: Serialize, T4: Serialize, T5: Serialize, T6: Serialize, T7: Serialize, T8: Serialize, T9: Serialize, T10: Serialize, T11: Serialize, T12: Serialize, T13: Serialize, T14: Serialize, T15: Serialize,

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fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>where S: Serializer,

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impl<T> Serialize for [T; 27]where T: Serialize,

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fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>where S: Serializer,

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impl<T> Serialize for [T; 32]where T: Serialize,

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fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>where S: Serializer,

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impl<T> Serialize for [T; 10]where T: Serialize,

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fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>where S: Serializer,

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impl<T> Serialize for [T; 30]where T: Serialize,

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fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>where S: Serializer,

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impl<T> Serialize for [T; 16]where T: Serialize,

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fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>where S: Serializer,

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impl<T> Serialize for [T; 8]where T: Serialize,

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fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>where S: Serializer,

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impl<T> Serialize for [T; 12]where T: Serialize,

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fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>where S: Serializer,

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impl<T0, T1, T2> Serialize for (T0, T1, T2)where T0: Serialize, T1: Serialize, T2: Serialize,

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fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>where S: Serializer,

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impl Serialize for i32

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fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>where S: Serializer,

Implementors§

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impl Serialize for IpAddr

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impl Serialize for SocketAddr

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impl Serialize for Ipv4Addr

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impl Serialize for Ipv6Addr

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impl Serialize for SocketAddrV4

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impl Serialize for SocketAddrV6

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impl Serialize for NonZeroI8

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impl Serialize for NonZeroI16

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impl Serialize for NonZeroI32

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impl Serialize for NonZeroI64

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impl Serialize for NonZeroI128

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impl Serialize for NonZeroIsize

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impl Serialize for NonZeroU8

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impl Serialize for NonZeroU16

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impl Serialize for NonZeroU32

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impl Serialize for NonZeroU64

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impl Serialize for NonZeroU128

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impl Serialize for NonZeroUsize

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impl Serialize for AtomicBool

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impl Serialize for AtomicI8

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impl Serialize for AtomicI16

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impl Serialize for AtomicI32

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impl Serialize for AtomicI64

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impl Serialize for AtomicIsize

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impl Serialize for AtomicU8

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impl Serialize for AtomicU16

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impl Serialize for AtomicU32

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impl Serialize for AtomicU64

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impl Serialize for AtomicUsize

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impl Serialize for CStr

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impl Serialize for CString

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impl Serialize for Duration

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impl Serialize for OsStr

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impl Serialize for OsString

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impl Serialize for Path

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impl Serialize for PathBuf

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impl Serialize for String

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impl Serialize for SystemTime

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impl<'a> Serialize for Arguments<'a>

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impl<'a, T> Serialize for Cow<'a, T>where T: Serialize + ToOwned + ?Sized,

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impl<Idx> Serialize for Range<Idx>where Idx: Serialize,

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impl<Idx> Serialize for RangeFrom<Idx>where Idx: Serialize,

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impl<Idx> Serialize for RangeInclusive<Idx>where Idx: Serialize,

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impl<Idx> Serialize for RangeTo<Idx>where Idx: Serialize,

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impl<K, V> Serialize for BTreeMap<K, V>where K: Serialize, V: Serialize,

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impl<K, V, H> Serialize for HashMap<K, V, H>where K: Serialize, V: Serialize,

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impl<T> Serialize for Bound<T>where T: Serialize,

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impl<T> Serialize for Option<T>where T: Serialize,

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impl<T> Serialize for Arc<T>where T: Serialize + ?Sized,

This impl requires the "rc" Cargo feature of Serde.

Serializing a data structure containing Arc will serialize a copy of the contents of the Arc each time the Arc is referenced within the data structure. Serialization will not attempt to deduplicate these repeated data.

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impl<T> Serialize for ArcWeak<T>where T: Serialize + ?Sized,

This impl requires the "rc" Cargo feature of Serde.

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impl<T> Serialize for BTreeSet<T>where T: Serialize,

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impl<T> Serialize for BinaryHeap<T>where T: Serialize,

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impl<T> Serialize for Box<T>where T: Serialize + ?Sized,

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impl<T> Serialize for Cell<T>where T: Serialize + Copy,

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impl<T> Serialize for LinkedList<T>where T: Serialize,

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impl<T> Serialize for Mutex<T>where T: Serialize + ?Sized,

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impl<T> Serialize for Rc<T>where T: Serialize + ?Sized,

This impl requires the "rc" Cargo feature of Serde.

Serializing a data structure containing Rc will serialize a copy of the contents of the Rc each time the Rc is referenced within the data structure. Serialization will not attempt to deduplicate these repeated data.

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impl<T> Serialize for RcWeak<T>where T: Serialize + ?Sized,

This impl requires the "rc" Cargo feature of Serde.

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impl<T> Serialize for RefCell<T>where T: Serialize + ?Sized,

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impl<T> Serialize for Reverse<T>where T: Serialize,

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impl<T> Serialize for RwLock<T>where T: Serialize + ?Sized,

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impl<T> Serialize for Vec<T>where T: Serialize,

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impl<T> Serialize for VecDeque<T>where T: Serialize,

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impl<T> Serialize for Wrapping<T>where T: Serialize,

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impl<T, E> Serialize for Result<T, E>where T: Serialize, E: Serialize,

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impl<T, H> Serialize for HashSet<T, H>where T: Serialize,

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impl<T: ?Sized> Serialize for PhantomData<T>