alef 0.62.4

Opinionated polyglot binding generator for Rust libraries
Documentation 
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    match with_handle_mut::<{{ opaque_name }}, _>(owner, |service| {
        match service.inner.as_mut() {
            Some(owner_ref) => Some(owner_ref.{{ method_name }}({{ meta_args }}handler).map(|_| ())),
            None => None,
        }
    }) {
        Ok(Some(Ok(()))) => 0,
        Ok(Some(Err(error))) => { set_last_error(2, &error.to_string()); 1 }
        Ok(None) => 1,
        Err(error) => { set_handle_error(&error); 1 }
    }