//! Abstractions for request and response bodies.
//!//! The `Body` enum will allow streaming of fixed-size, chunked, or empty
//! payloads. For now we supply a simplified scaffold.
/// Represents the body of an HTTP message.
#[derive(Debug, Clone)]pubenumBody{/// No body is present.
Empty,/// A fixed-length body with the specified number of bytes.
Fixed(u64),/// A chunked transfer-coded body.
Chunked,}implDefault forBody{fndefault()->Self{Body::Empty
}}