use anyhow::Result; use sdf_macros::sdf; #[sdf( flat_map, path = "../../../../crates/sdf-macros/wit/flat-map-with-keys", package = "flat-map-with-keys", namespace = "examples" )] fn flat_map_fn(key: Option, my_input: String) -> Result, String)>> { Ok(vec![(None, my_input.to_uppercase())]) } fn main() -> Result<()> { Ok(()) }