syntax_data: {"ast_node_type":"other","tokens":[{"end":50,"kind":"keyword","start":0,"text":"#[derive(Clone,"}]}
source_snippet: #[derive(Clone, Copy, PartialEq, Eq, Hash, Debug)]
context_before: /// `tcx.closure_env_ty()`.
context_after: #[cfg_attr(feature = "nightly", derive(Encodable, Decodable, HashStable_NoContext))]