syntax_data: {"ast_node_type":"other","tokens":[{"end":45,"kind":"keyword","start":0,"text":"Ok(std::iter::repeat(elt)"}]}
source_snippet:                     Ok(std::iter::repeat(elt)
context_before:                     let elt = Tree::from_ty(*inner_ty, cx)?;
context_after:                         .take(*count as usize)