syntax_data: {"ast_node_type":"other","tokens":[{"end":56,"kind":"keyword","start":0,"text":"ty::ClauseKind::ConstArgHasType(ct,"}]}
source_snippet:             ty::ClauseKind::ConstArgHasType(ct, ty) => {
context_before:             ty::ClauseKind::HostEffect(predicate) => predicate.print(p)?,
context_after:                 write!(p, "the constant `")?;