Macro rocket_include_static_resources::cached_static_response_handler

macro_rules! cached_static_response_handler {
    ( $max_age:expr, $must_revalidate:expr ; $($route:expr => $handler_name:ident => $name:expr), * $(,)* ) => { ... };
    ( $max_age:expr ; $($route:expr => $handler_name:ident => $name:expr), * $(,)* ) => { ... };
}

Used for quickly creating GET route handlers to retrieve static resources with cache control.