{"ast_node_type":"function","tokens":[{"end":38,"kind":"keyword","start":0,"text":"fn"}]}
fn test_generate_pattern_iterators() {
#[test]
    // From <https://github.com/rust-lang/rust/blob/316a391dcb7d66dc25f1f9a4ec9d368ef7615005/src/libcore/str/mod.rs>.