syntax_data: {"ast_node_type":"other","tokens":[{"end":43,"kind":"keyword","start":0,"text":"#[derive(Copy,"}]}
source_snippet: #[derive(Copy, Clone, Eq, PartialEq, Hash)]
context_before: /// different macro 2.0 macros.
context_after: pub struct Macros20NormalizedIdent(pub Ident);