use cxx; #[cxx::bridge(namespace = "hype_train")] mod ffi { pub struct HypeOutput { output: String, new_len: usize, } extern "Rust" { fn hypeify(input: String, num_exclamations: i32) -> HypeOutput; } } use crate::ffi::HypeOutput; pub fn hypeify(input: String, num_exclamations: i32) -> HypeOutput { let mut res = input.to_uppercase(); for _ in 0..num_exclamations { res += "!" } return HypeOutput{ new_len: res.len(), output: res, } }