syntax_data: {"ast_node_type":"other","tokens":[{"end":63,"kind":"keyword","start":0,"text":"self.into_iter().map(|t|"}]}
source_snippet:         self.into_iter().map(|t| t.fold_with(folder)).collect()
context_before:     fn fold_with<F: TypeFolder<I>>(self, folder: &mut F) -> Self {
context_after:     }