Macro error_response 

macro_rules! error_response {
    ($status:expr, $msg:expr) => { ... };
}

Return an HTTP error response for use in handler error arms.

Produces a bare HttpResponse value (not Result) suitable for use in .map_err(|e| ferro::error_response!(500, e.to_string())) and .ok_or_else(|| ferro::error_response!(404, "not found")).

Example

Entity::find_by_id(id).one(db).await
    .map_err(|e| ferro::error_response!(500, e.to_string()))?
    .ok_or_else(|| ferro::error_response!(404, "Not found"))?;