Function http_serve::serve

pub fn serve<E: Entity, B: Body + From<Box<dyn Stream<Item = Result<E::Data, E::Error>> + Send + Sync>>, BI>(
    e: E, 
    req: &Request<BI>
) -> Response<B>

Serves GET and HEAD requests for a given byte-ranged entity. Handles conditional & subrange requests. The caller is expected to have already determined the correct entity and appended Expires, Cache-Control, and Vary headers if desired.