The hyper crate can parse HTTP messages, and has an elegant design with focus on strongly typed APIs. It is designed as a type-safe abstraction for raw HTTP requests, as opposed to a common theme in HTTP libraries: describing everything as strings. For example, HTTP status codes in Hyper are defined as enums, for example, the type StatusCode. The same goes for pretty much everything that can be strongly typed, such as HTTP methods, MIME types, HTTP headers, and so on.

Hyper has both client and server functionality split into separate modules. The client side allows you to build and make HTTP requests with a configurable request body, headers, and other low-level configurations. The server side allows you to open a listening socket and attach request handlers to it. However, it does not include any request route handler implementation – that is left...