Rust serde

Serde provides a derive macro to generate implementations of the Serialize and Deserialize traits for data structures defined in your crate, allowing them to be represented conveniently in all of Serde's data formats, rust serde. You only need to set this up if your code is using [derive Serialize, Deserialize ]. This functionality is based on Rust's [derive] mechanism, just like what you would use to automatically derive implementations of the built-in CloneCopyDebugrust serde, or other traits. It is able to generate implementations for paula bevilacqua structs and enums including ones with elaborate generic types rust serde trait bounds.

Serde is a framework for ser ializing and de serializing Rust data structures efficiently and generically. The Serde ecosystem consists of data structures that know how to serialize and deserialize themselves along with data formats that know how to serialize and deserialize other things. Serde provides the layer by which these two groups interact with each other, allowing any supported data structure to be serialized and deserialized using any supported data format. Where many other languages rely on runtime reflection for serializing data, Serde is instead built on Rust's powerful trait system. A data structure that knows how to serialize and deserialize itself is one that implements Serde's Serialize and Deserialize traits or uses Serde's derive attribute to automatically generate implementations at compile time. This avoids any overhead of reflection or runtime type information. In fact in many situations the interaction between data structure and data format can be completely optimized away by the Rust compiler, leaving Serde serialization to perform the same speed as a handwritten serializer for the specific selection of data structure and data format.

Rust serde

Serde is a framework for ser ializing and de serializing Rust data structures efficiently and generically. Serde is one of the most widely used Rust libraries so any place that Rustaceans congregate will be able to help you out. It's acceptable to file a support issue in this repo but they tend not to get as many eyes as any of the above and may get closed without a response after some time. Skip to content. You signed in with another tab or window. Reload to refresh your session. You signed out in another tab or window. You switched accounts on another tab or window. Dismiss alert. Notifications Fork Star 8. Serialization framework for Rust serde. Licenses found. Branches Tags. Go to file.

The following is a partial list of data formats that have been implemented for Serde by rust serde community, rust serde. Serde provides a derive macro to generate implementations of the Serialize and Deserialize traits for data structures defined in rust serde crate, allowing them to be represented conveniently in all of Serde's data formats. Serde provides the layer by which these two groups interact with each other, allowing any supported data structure to be serialized and deserialized using any supported data format.

Serialize and deserialize this field with the given name instead of its Rust name. This is useful for serializing fields as camelCase or serializing fields with names that are reserved Rust keywords. Deserialize this field from the given name or from its Rust name. May be repeated to specify multiple possible names for the same field. If the value is not present when deserializing, call a function to get a default value. This removes one level of structure between the serialized representation and the Rust data structure representation. It can be used for factoring common keys into a shared structure, or for capturing remaining fields into a map with arbitrary string keys.

Some common use cases are:. Check out the user guide to find out more tips and tricks about this crate. For further help using this crate you can open a new discussion or ask on users. For bugs, please open a new issue on GitHub. The crate contains different features for integration with other common crates. Check the feature flags section for information about all available features.

Rust serde

Serde provides a derive macro to generate implementations of the Serialize and Deserialize traits for data structures defined in your crate, allowing them to be represented conveniently in all of Serde's data formats. You only need to set this up if your code is using [derive Serialize, Deserialize ]. This functionality is based on Rust's [derive] mechanism, just like what you would use to automatically derive implementations of the built-in Clone , Copy , Debug , or other traits. It is able to generate implementations for most structs and enums including ones with elaborate generic types or trait bounds. On rare occasions, for an especially convoluted type you may need to implement the traits manually. This almost always means that you are using libraries that depend on incompatible versions of Serde. You may be depending on serde 1.

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Overview Help Serde data model Using derive Attributes Container attributes Variant attributes Field attributes Custom serialization Implementing Serialize Implementing Deserialize Unit testing Writing a data format Conventions Error handling Implementing a Serializer Implementing a Deserializer Deserializer lifetimes Examples Structs and enums in JSON Enum representations Default value for a field Struct flattening Handwritten generic type bounds Deserialize for custom map type Array of values without buffering Serialize enum as number Serialize fields as camelCase Skip serializing field Derive for remote crate Manually deserialize struct Discarding data Transcode into another format Either string or struct Convert error types Custom date format No-std support Feature flags. Folders and files Name Name Last commit message. Using the derive macro goes like this:. Getting help. If the value is not present when deserializing, call a function to get a default value. Borrow data for this field from the deserializer by using zero-copy deserialization. Owners dtolnay github:serde-rs:publish. Serde is one of the most widely used Rust libraries so any place that Rustaceans congregate will be able to help you out. Licenses found. Third-party crates may provide Serialize implementations for types that they expose. Report repository. Avro , a binary format used within Apache Hadoop, with support for schema definition. The cargo tree -d command is helpful for finding all the places that duplicate dependencies are being pulled in.

Other human-readable data formats are encouraged to follow an analogous approach where possible.

Available on crate feature rc and crate features std or alloc only. Using the derive macro goes like this:. On rare occasions, for an especially convoluted type you may need to implement the traits manually. A data format that can serialize any data structure supported by Serde. Serde is a framework for ser ializing and de serializing Rust data structures efficiently and generically. Available on crate feature unstable only. Using derive Serde provides a derive macro to generate implementations of the Serialize and Deserialize traits for data structures defined in your crate, allowing them to be represented conveniently in all of Serde's data formats. Latest commit History 3, Commits. Folders and files Name Name Last commit message. Where many other languages rely on runtime reflection for serializing data, Serde is instead built on Rust's powerful trait system. Skip to content. The Serde ecosystem consists of data structures that know how to serialize and deserialize themselves along with data formats that know how to serialize and deserialize other things.