Function find_async_method

codegen/src/lib.rs:55–72

(items: &'a [ImplItem], ident_str: &str)

}

fn find_async_method<'a>(items: &'a [ImplItem], ident_str: &str) -> Option<Result<&'a ImplItemFn, Error>> {
    for item in items.iter() {
        if let ImplItem::Fn(func) = item {
            if func.sig.ident.to_string().as_str() == ident_str {
                if func.sig.asyncness.is_none() {
                    return Some(Err(Error::new(
                        func.span(),
                        format!("{ident_str} method must be async fn"),
                    )));
                }

                return Some(Ok(func));
            }
        }
    }

    None
}