syntax_data: {"ast_node_type":"other","tokens":[{"end":54,"kind":"keyword","start":0,"text":"try_visit!(visitor.visit(span,"}]}
source_snippet:                 try_visit!(visitor.visit(span, args));
context_before:                 let args = &tcx.impl_trait_ref(item).unwrap().instantiate_identity().args[1..];
context_after:             }