syntax_data: {"ast_node_type":"other","tokens":[{"end":54,"kind":"keyword","start":0,"text":"#[derive(TypeVisitable_Generic,"}]}
source_snippet: #[derive(TypeVisitable_Generic, TypeFoldable_Generic)]
context_before: #[derive(Copy, Clone, Debug, PartialEq, Eq, Hash)]
context_after: #[cfg_attr(