There are a lot of popular Rust crates in the ecosystem for common tasks such as HTTP, JSON processing, and database access. Here are a few examples:
1. HTTP:
- Hyper: This is a high-performance HTTP implementation in Rust that provides a customizable low-level API for building HTTP clients and servers. It also supports higher-level abstractions like request/response semantics, middleware, and streaming.
- Reqwest: This is a higher-level HTTP client library built on top of Hyper that provides more convenient and ergonomic APIs for performing HTTP requests.
2. JSON Processing:
- Serde: This is a popular Rust serialization/deserialization library that supports multiple data formats including JSON. It provides a powerful and flexible API for customizing how Rust data structures are serialized into and deserialized from JSON.
- JSON: This is a lightweight and efficient JSON library in Rust that provides a simple API for parsing and constructing JSON documents. It also supports some useful features like automatic serialization of Rust enums to and from JSON.
3. Database Access:
- Diesel: This is a powerful, safe, and ergonomic ORM for Rust that supports multiple database backends including PostgreSQL, MySQL, and SQLite. It provides a type-safe DSL for building SQL queries and automatic mapping of database rows to Rust structs.
- Rusqlite: This is a lightweight and efficient SQLite database library in Rust that provides a simple API for executing SQL queries and accessing SQLite databases. It also supports some useful features like prepared statements, transaction support, and automatic mapping of database rows to Rust structs.
These are just a few examples, there are many more crates available in the Rust ecosystem for handling these and other common tasks.