rocket_validationresult.rs

/// The result of a form validation: Either a successful redirect, or a
/// template response with an error status.
///
/// TODO: Generalize this and move it into a helper module.
pub enum ValidationResult {
    Success(Redirect),
    Invalid(Template, Status)
}

impl<'r> response::Responder<'r> for ValidationResult {
    fn respond_to(self, req: &Request) -> response::Result<'r> {
        match self {
            ValidationResult::Success(redirect) => redirect.respond_to(req),
            ValidationResult::Invalid(template, status) => {
                template.respond_to(req).map(|mut response| {
                    response.set_status(status);
                    response
                })
            }
        }
    }
}