syntax_data: {"ast_node_type":"struct","tokens":[{"end":25,"kind":"keyword","start":0,"text":"pub"}]}
source_snippet: pub struct RvalueScopes {
context_before: #[derive(TyEncodable, TyDecodable, Clone, Debug, Default, Eq, PartialEq, HashStable)]
context_after:     map: ItemLocalMap<Option<Scope>>,