syntax_data: {"ast_node_type":"import","tokens":[{"end":107,"kind":"keyword","start":0,"text":"//"}]}
source_snippet:                     // the domain size check is needed because the HIR may not be well-formed at this point
context_before:                     let params_in_repr = tcx.params_in_repr(def_id);
context_after:                     for (i, arg) in args.args.iter().enumerate().take(params_in_repr.domain_size())