syntax_data: {"ast_node_type":"variable","tokens":[{"end":61,"kind":"keyword","start":0,"text":"if"}]}
source_snippet:                 if let ty::Array(elem, ct_len) = inner.kind()
context_before:             ty::Ref(_, inner, _) => {
context_after:                     && let ty::Uint(ty::UintTy::U8) = elem.kind()