syntax_data: {"ast_node_type":"other","tokens":[{"end":66,"kind":"keyword","start":0,"text":"impl<I:"}]}
source_snippet: impl<I: Interner, T: TypeVisitable<I>> TypeVisitable<I> for &[T] {
context_before: // of trivial impls of `TypeFoldable` for specific slice types elsewhere.
context_after:     fn visit_with<V: TypeVisitor<I>>(&self, visitor: &mut V) -> V::Result {