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: middle_out.rs
    path of file: ./repos/zenoh/commons/zenoh-keyexpr/src/key_expr/intersect
    
    the code of the file until where you have to start completion: //
// Copyright (c) 2023 ZettaScale Technology
//
// This program and the accompanying materials are made available unde
    
//     fn strip_suffix<'a>(&self, str: &'a [u8], needle: &[u8]) -> Option<&'a [u8]> {
//         if needle.is_empty() {
//             return Some(str);
//         }
//         let mut needle = needle.splitter(&DELIMITER);
//         let mut str = str.splitter(&DELIMITER);
//         while let Some(needle) = needle.next_back() {
//             if let Some(str) = str.next_back() {
//                 if !self.0.intersect(NoBigWilds(str), NoBigWilds(needle)) {
//                     return None;
//                 }
//             } else {
//                 return None;
//             }
//         }
//         str.inner().or(Some(b""))
//     }