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Update documentation example code to 2021 edition

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This commit is contained in:
David Tolnay
2023-07-06 15:17:05 -07:00
parent ea071ae1d4
commit 0666fbfa20
14 changed files with 113 additions and 113 deletions
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serde/src/ser/mod.rs
+46 -46
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@@ -149,7 +149,7 @@ macro_rules! declare_error_trait {
/// For example, a filesystem [`Path`] may refuse to serialize
/// itself if it contains invalid UTF-8 data.
///
/// ```edition2018
/// ```edition2021
/// # struct Path;
/// #
/// # impl Path {
@@ -221,7 +221,7 @@ pub trait Serialize {
/// See the [Implementing `Serialize`] section of the manual for more
/// information about how to implement this method.
///
/// ```edition2018
/// ```edition2021
/// use serde::ser::{Serialize, SerializeStruct, Serializer};
///
/// struct Person {
@@ -388,7 +388,7 @@ pub trait Serializer: Sized {
/// Serialize a `bool` value.
///
/// ```edition2018
/// ```edition2021
/// # use serde::Serializer;
/// #
/// # serde::__private_serialize!();
@@ -410,7 +410,7 @@ pub trait Serializer: Sized {
/// reasonable implementation would be to cast the value to `i64` and
/// forward to `serialize_i64`.
///
/// ```edition2018
/// ```edition2021
/// # use serde::Serializer;
/// #
/// # serde::__private_serialize!();
@@ -432,7 +432,7 @@ pub trait Serializer: Sized {
/// reasonable implementation would be to cast the value to `i64` and
/// forward to `serialize_i64`.
///
/// ```edition2018
/// ```edition2021
/// # use serde::Serializer;
/// #
/// # serde::__private_serialize!();
@@ -454,7 +454,7 @@ pub trait Serializer: Sized {
/// reasonable implementation would be to cast the value to `i64` and
/// forward to `serialize_i64`.
///
/// ```edition2018
/// ```edition2021
/// # use serde::Serializer;
/// #
/// # serde::__private_serialize!();
@@ -472,7 +472,7 @@ pub trait Serializer: Sized {
/// Serialize an `i64` value.
///
/// ```edition2018
/// ```edition2021
/// # use serde::Serializer;
/// #
/// # serde::__private_serialize!();
@@ -491,7 +491,7 @@ pub trait Serializer: Sized {
serde_if_integer128! {
/// Serialize an `i128` value.
///
/// ```edition2018
/// ```edition2021
/// # use serde::Serializer;
/// #
/// # serde::__private_serialize!();
@@ -520,7 +520,7 @@ pub trait Serializer: Sized {
/// reasonable implementation would be to cast the value to `u64` and
/// forward to `serialize_u64`.
///
/// ```edition2018
/// ```edition2021
/// # use serde::Serializer;
/// #
/// # serde::__private_serialize!();
@@ -542,7 +542,7 @@ pub trait Serializer: Sized {
/// reasonable implementation would be to cast the value to `u64` and
/// forward to `serialize_u64`.
///
/// ```edition2018
/// ```edition2021
/// # use serde::Serializer;
/// #
/// # serde::__private_serialize!();
@@ -564,7 +564,7 @@ pub trait Serializer: Sized {
/// reasonable implementation would be to cast the value to `u64` and
/// forward to `serialize_u64`.
///
/// ```edition2018
/// ```edition2021
/// # use serde::Serializer;
/// #
/// # serde::__private_serialize!();
@@ -582,7 +582,7 @@ pub trait Serializer: Sized {
/// Serialize a `u64` value.
///
/// ```edition2018
/// ```edition2021
/// # use serde::Serializer;
/// #
/// # serde::__private_serialize!();
@@ -601,7 +601,7 @@ pub trait Serializer: Sized {
serde_if_integer128! {
/// Serialize a `u128` value.
///
/// ```edition2018
/// ```edition2021
/// # use serde::Serializer;
/// #
/// # serde::__private_serialize!();
@@ -630,7 +630,7 @@ pub trait Serializer: Sized {
/// reasonable implementation would be to cast the value to `f64` and
/// forward to `serialize_f64`.
///
/// ```edition2018
/// ```edition2021
/// # use serde::Serializer;
/// #
/// # serde::__private_serialize!();
@@ -648,7 +648,7 @@ pub trait Serializer: Sized {
/// Serialize an `f64` value.
///
/// ```edition2018
/// ```edition2021
/// # use serde::Serializer;
/// #
/// # serde::__private_serialize!();
@@ -669,7 +669,7 @@ pub trait Serializer: Sized {
/// If the format does not support characters, it is reasonable to serialize
/// it as a single element `str` or a `u32`.
///
/// ```edition2018
/// ```edition2021
/// # use serde::Serializer;
/// #
/// # serde::__private_serialize!();
@@ -687,7 +687,7 @@ pub trait Serializer: Sized {
/// Serialize a `&str`.
///
/// ```edition2018
/// ```edition2021
/// # use serde::Serializer;
/// #
/// # serde::__private_serialize!();
@@ -711,7 +711,7 @@ pub trait Serializer: Sized {
/// `serialize_seq`. If forwarded, the implementation looks usually just
/// like this:
///
/// ```edition2018
/// ```edition2021
/// # use serde::ser::{Serializer, SerializeSeq};
/// # use serde::__private::doc::Error;
/// #
@@ -740,7 +740,7 @@ pub trait Serializer: Sized {
/// Serialize a [`None`] value.
///
/// ```edition2018
/// ```edition2021
/// # use serde::{Serialize, Serializer};
/// #
/// # enum Option<T> {
@@ -773,7 +773,7 @@ pub trait Serializer: Sized {
/// Serialize a [`Some(T)`] value.
///
/// ```edition2018
/// ```edition2021
/// # use serde::{Serialize, Serializer};
/// #
/// # enum Option<T> {
@@ -808,7 +808,7 @@ pub trait Serializer: Sized {
/// Serialize a `()` value.
///
/// ```edition2018
/// ```edition2021
/// # use serde::Serializer;
/// #
/// # serde::__private_serialize!();
@@ -828,7 +828,7 @@ pub trait Serializer: Sized {
///
/// A reasonable implementation would be to forward to `serialize_unit`.
///
/// ```edition2018
/// ```edition2021
/// use serde::{Serialize, Serializer};
///
/// struct Nothing;
@@ -850,7 +850,7 @@ pub trait Serializer: Sized {
/// this variant within the enum, and the `variant` is the name of the
/// variant.
///
/// ```edition2018
/// ```edition2021
/// use serde::{Serialize, Serializer};
///
/// enum E {
@@ -883,7 +883,7 @@ pub trait Serializer: Sized {
/// wrappers around the data they contain. A reasonable implementation would
/// be to forward to `value.serialize(self)`.
///
/// ```edition2018
/// ```edition2021
/// use serde::{Serialize, Serializer};
///
/// struct Millimeters(u8);
@@ -911,7 +911,7 @@ pub trait Serializer: Sized {
/// this variant within the enum, and the `variant` is the name of the
/// variant. The `value` is the data contained within this newtype variant.
///
/// ```edition2018
/// ```edition2021
/// use serde::{Serialize, Serializer};
///
/// enum E {
@@ -949,7 +949,7 @@ pub trait Serializer: Sized {
/// not be computable before the sequence is iterated. Some serializers only
/// support sequences whose length is known up front.
///
/// ```edition2018
/// ```edition2021
/// # use std::marker::PhantomData;
/// #
/// # struct Vec<T>(PhantomData<T>);
@@ -994,7 +994,7 @@ pub trait Serializer: Sized {
/// This call must be followed by zero or more calls to `serialize_element`,
/// then a call to `end`.
///
/// ```edition2018
/// ```edition2021
/// use serde::ser::{Serialize, Serializer, SerializeTuple};
///
/// # mod fool {
@@ -1024,7 +1024,7 @@ pub trait Serializer: Sized {
/// }
/// ```
///
/// ```edition2018
/// ```edition2021
/// use serde::ser::{Serialize, SerializeTuple, Serializer};
///
/// const VRAM_SIZE: usize = 386;
@@ -1052,7 +1052,7 @@ pub trait Serializer: Sized {
/// The `name` is the name of the tuple struct and the `len` is the number
/// of data fields that will be serialized.
///
/// ```edition2018
/// ```edition2021
/// use serde::ser::{Serialize, SerializeTupleStruct, Serializer};
///
/// struct Rgb(u8, u8, u8);
@@ -1084,7 +1084,7 @@ pub trait Serializer: Sized {
/// this variant within the enum, the `variant` is the name of the variant,
/// and the `len` is the number of data fields that will be serialized.
///
/// ```edition2018
/// ```edition2021
/// use serde::ser::{Serialize, SerializeTupleVariant, Serializer};
///
/// enum E {
@@ -1130,7 +1130,7 @@ pub trait Serializer: Sized {
/// be computable before the map is iterated. Some serializers only support
/// maps whose length is known up front.
///
/// ```edition2018
/// ```edition2021
/// # use std::marker::PhantomData;
/// #
/// # struct HashMap<K, V>(PhantomData<K>, PhantomData<V>);
@@ -1178,7 +1178,7 @@ pub trait Serializer: Sized {
/// The `name` is the name of the struct and the `len` is the number of
/// data fields that will be serialized.
///
/// ```edition2018
/// ```edition2021
/// use serde::ser::{Serialize, SerializeStruct, Serializer};
///
/// struct Rgb {
@@ -1214,7 +1214,7 @@ pub trait Serializer: Sized {
/// this variant within the enum, the `variant` is the name of the variant,
/// and the `len` is the number of data fields that will be serialized.
///
/// ```edition2018
/// ```edition2021
/// use serde::ser::{Serialize, SerializeStructVariant, Serializer};
///
/// enum E {
@@ -1256,7 +1256,7 @@ pub trait Serializer: Sized {
/// using [`serialize_seq`]. Implementors should not need to override this
/// method.
///
/// ```edition2018
/// ```edition2021
/// use serde::{Serialize, Serializer};
///
/// struct SecretlyOneHigher {
@@ -1304,7 +1304,7 @@ pub trait Serializer: Sized {
/// using [`serialize_map`]. Implementors should not need to override this
/// method.
///
/// ```edition2018
/// ```edition2021
/// use serde::{Serialize, Serializer};
/// use std::collections::BTreeSet;
///
@@ -1355,7 +1355,7 @@ pub trait Serializer: Sized {
/// delegates to [`serialize_str`]. Serializers are encouraged to provide a
/// more efficient implementation if possible.
///
/// ```edition2018
/// ```edition2021
/// # struct DateTime;
/// #
/// # impl DateTime {
@@ -1393,7 +1393,7 @@ pub trait Serializer: Sized {
/// of this method. If no more sensible behavior is possible, the
/// implementation is expected to return an error.
///
/// ```edition2018
/// ```edition2021
/// # struct DateTime;
/// #
/// # impl DateTime {
@@ -1428,7 +1428,7 @@ pub trait Serializer: Sized {
/// human-readable one and binary formats like Postcard will prefer the
/// compact one.
///
/// ```edition2018
/// ```edition2021
/// # use std::fmt::{self, Display};
/// #
/// # struct Timestamp;
@@ -1477,7 +1477,7 @@ pub trait Serializer: Sized {
///
/// # Example use
///
/// ```edition2018
/// ```edition2021
/// # use std::marker::PhantomData;
/// #
/// # struct Vec<T>(PhantomData<T>);
@@ -1541,7 +1541,7 @@ pub trait SerializeSeq {
///
/// # Example use
///
/// ```edition2018
/// ```edition2021
/// use serde::ser::{Serialize, Serializer, SerializeTuple};
///
/// # mod fool {
@@ -1571,7 +1571,7 @@ pub trait SerializeSeq {
/// }
/// ```
///
/// ```edition2018
/// ```edition2021
/// # use std::marker::PhantomData;
/// #
/// # struct Array<T>(PhantomData<T>);
@@ -1641,7 +1641,7 @@ pub trait SerializeTuple {
///
/// # Example use
///
/// ```edition2018
/// ```edition2021
/// use serde::ser::{Serialize, SerializeTupleStruct, Serializer};
///
/// struct Rgb(u8, u8, u8);
@@ -1686,7 +1686,7 @@ pub trait SerializeTupleStruct {
///
/// # Example use
///
/// ```edition2018
/// ```edition2021
/// use serde::ser::{Serialize, SerializeTupleVariant, Serializer};
///
/// enum E {
@@ -1744,7 +1744,7 @@ pub trait SerializeTupleVariant {
///
/// # Example use
///
/// ```edition2018
/// ```edition2021
/// # use std::marker::PhantomData;
/// #
/// # struct HashMap<K, V>(PhantomData<K>, PhantomData<V>);
@@ -1855,7 +1855,7 @@ pub trait SerializeMap {
///
/// # Example use
///
/// ```edition2018
/// ```edition2021
/// use serde::ser::{Serialize, SerializeStruct, Serializer};
///
/// struct Rgb {
@@ -1915,7 +1915,7 @@ pub trait SerializeStruct {
///
/// # Example use
///
/// ```edition2018
/// ```edition2021
/// use serde::ser::{Serialize, SerializeStructVariant, Serializer};
///
/// enum E {