{"ast_node_type":"other","tokens":[{"end":78,"kind":"keyword","start":0,"text":"//"}]}
    // parameters in lock-step linearly, instead of trying to match each pair.
    // methods in `rustc_middle/src/ty/generic_args.rs`, so that we can iterate over the arguments and
    let mut args: SmallVec<[ty::GenericArg<'tcx>; 8]> = SmallVec::with_capacity(count);