You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: lib.rs
    path of file: ./repos/darkfi/src/serial/derive-internal/src
    
    the code of the file until where you have to start completion: /* This file is part of DarkFi (https://dark.fi)
 *
 * Copyright (C) 2020-2024 Dyne.org foundation
 *

    
pub fn contains_initialize_with(attrs: &[Attribute]) -> Option<Path> {
    for attr in attrs.iter() {
        if attr.path().is_ident("init_serialize") {
            let mut res = None;
            let _ = attr.parse_nested_meta(|meta| {
                res = Some(meta.path);
                Ok(())
            });
            return res
        }
    }

    None
}