syntax_data: {"ast_node_type":"other","tokens":[{"end":60,"kind":"keyword","start":0,"text":"#[derive(Copy,"}]}
source_snippet: #[derive(Copy, Clone, Eq, PartialEq, PartialOrd, Ord, Hash)]
context_before: /// An inference variable for a const, for use in const generics.
context_after: #[cfg_attr(feature = "nightly", derive(Encodable_NoContext, Decodable_NoContext))]