syntax_data: {"ast_node_type":"other","tokens":[{"end":29,"kind":"keyword","start":0,"text":"t1.print(p)?;"}]}
source_snippet:                 t1.print(p)?;
context_before:             ty::PredicateKind::AliasRelate(t1, t2, dir) => {
context_after:                 write!(p, " {dir} ")?;