fn encode_substs<'tcx>(
    tcx: TyCtxt<'tcx>,
    substs: SubstsRef<'tcx>,
    dict: &mut FxHashMap<DictKey<'tcx>, usize>,
    options: TypeIdOptions
) -> String
Expand description

Encodes substs using the Itanium C++ ABI with vendor extended type qualifiers and types for Rust types that are not used at the FFI boundary.