syntax_data: {"ast_node_type":"other","tokens":[{"end":62,"kind":"keyword","start":0,"text":"ty::LateParamRegionKind::NamedAnon(idx,"}]}
source_snippet:             ty::LateParamRegionKind::NamedAnon(idx, name) => {
context_before:             ty::LateParamRegionKind::Anon(idx) => write!(f, "LateAnon({idx})"),
context_after:                 write!(f, "LateNamedAnon({idx:?}, {name})")