Macro marked::chain_filters

macro_rules! chain_filters {
    ($solo:expr $(,)?) => { ... };
    ($first:expr $(, $subs:expr)+ $(,)?) => { ... };
}

Compose a new filter closure, by chaining a list of 1 to many closures or function paths. Each is executed in order, while the returned action remains Action::Continue, or otherwise terminated early.