syntax_data: {"ast_node_type":"other","tokens":[{"end":85,"kind":"keyword","start":0,"text":"#[derive(TyEncodable,"}]}
source_snippet: #[derive(TyEncodable, TyDecodable, Clone, Debug, Default, Eq, PartialEq, HashStable)]
context_before: /// rules laid out in `rustc_hir_analysis::check::rvalue_scopes`.
context_after: pub struct RvalueScopes {