{"ast_node_type":"function","tokens":[{"end":100,"kind":"keyword","start":0,"text":"fn"}]}
fn encode_region<'tcx>(region: Region<'tcx>, dict: &mut FxHashMap<DictKey<'tcx>, usize>) -> String {
/// Encodes a region using the Itanium C++ ABI as a vendor extended type.
    // u6region[I[<region-disambiguator>][<region-index>]E] as vendor extended type