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docs(codegen): Document annotations

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Erick Tryzelaar 2015-09-07 16:54:27 -07:00
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@ -578,6 +578,21 @@ impl serde::de::Visitor for PointVisitor {
} }
``` ```
Annotations
===========
`serde_codegen` and `serde_macros` support annotations that help to customize
how types are serialized. Here are the supported annotations:
| Annotation | Function |
| ---------- | -------- |
| `#[serde(rename(json="name1", xml="name2"))` | Serialize this field with the given name for the given formats |
| `#[serde(default)` | If the value is not specified, use the `Default::default()` |
| `#[serde(rename="name")` | Serialize this field with the given name |
| `#[serde(skip_serializing)` | Do not serialize this value |
| `#[serde(skip_serializing_if_empty)` | Do not serialize this value if `$value.is_empty()` is `true` |
| `#[serde(skip_serializing_if_none)` | Do not serialize this value if `$value.is_none()` is `true` |
Serialization Formats Using Serde Serialization Formats Using Serde
================================= =================================