syntax_data: {"ast_node_type":"other","tokens":[{"end":60,"kind":"keyword","start":0,"text":"trait_ref.print_only_trait_path().print(p)?;"}]}
source_snippet:                 trait_ref.print_only_trait_path().print(p)?;
context_before:             if let Some(trait_ref) = trait_ref {
context_after:                 write!(p, " for ")?;