syntax_data: {"ast_node_type":"other","tokens":[{"end":88,"kind":"keyword","start":0,"text":"ty::ConstKind::Value(rhs_val)"}]}
source_snippet:                 ty::ConstKind::Value(rhs_val) => lhs_val.valtree() == rhs_val.valtree(),
context_before:             ty::ConstKind::Value(lhs_val) => match rhs.kind() {
context_after:                 _ => false,