Function docchi::core::intf::citem::get_ref_id_impl

pub fn get_ref_id_impl<'a>(
    refs: &HashMap<String, RefSabValue, BuildHasherDefault<FnvHasher>>, 
    list_def: &ListDefObj, 
    list_name: &str
) -> Option<Qv<&'a String>>

returned reference can be dangling if refs is modified in the lifetime.