syntax_data: {"ast_node_type":"other","tokens":[{"end":62,"kind":"keyword","start":0,"text":"if"}]}
source_snippet:         if !args.iter().any(|k| k.has_escaping_bound_vars()) {
context_before:         // binder (which would change depending on context).
context_after:             self.paths.insert((def_id, args), start);