syntax_data: {"ast_node_type":"other","tokens":[{"end":89,"kind":"keyword","start":0,"text":"instance.def.requires_caller_location(tcx).then(||"}]}
source_snippet:             instance.def.requires_caller_location(tcx).then(|| tcx.caller_location_ty()),
context_before:         (
context_after:             if is_virtual_call { None } else { Some(instance.def_id()) },