syntax_data: {"ast_node_type":"other","tokens":[{"end":9,"kind":"keyword","start":0,"text":"}"}]}
source_snippet:         }
context_before:             parse_float_into_constval(n, *fty, neg).unwrap()
context_after:         (ast::LitKind::Bool(b), ty::Bool) => ConstValue::Scalar(Scalar::from_bool(b)),