alef 0.115.5

Opinionated polyglot binding generator for Rust libraries
Documentation 
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#[frb(ignore)]
mod {{ module_name }} {
    // Retain only existing native static references; copying arbitrary mirror text into static
    // storage leaks memory. Unknown text must remain a fallible conversion. ~keep
    fn pool() -> &'static std::sync::Mutex<std::collections::HashSet<&'static str>> {
        static POOL: std::sync::OnceLock<std::sync::Mutex<std::collections::HashSet<&'static str>>> =
            std::sync::OnceLock::new();
        POOL.get_or_init(Default::default)
    }

    pub(super) fn register(text: &'static str) -> String {
        pool().lock().unwrap_or_else(std::sync::PoisonError::into_inner).insert(text);
        text.to_string()
    }

    pub(super) fn lookup(text: &str) -> Result<&'static str, String> {
        pool().lock().unwrap_or_else(std::sync::PoisonError::into_inner)
            .get(text).copied()
            .ok_or_else(|| "reconstructing borrowed error: text must originate from a native error".to_string())
    }
}