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: mod.rs
    path of file: ./repos/aya/ebpf/aya-ebpf/src/maps/xdp
    
    the code of the file until where you have to start completion: mod cpu_map;
mod dev_map;
mod dev_map_hash;
mod xsk_map;

use core::cell::UnsafeCell;

use aya_ebpf_bindings::{
    bindings::{bpf_map_def, xdp_action::XDP_REDIRECT},
    helpers::bpf_redirect_map,
};
pub use cpu_map::CpuMap;
pub use dev_map::DevMap;
pub use dev_map_hash::DevMapHash;
pub use xsk_map::XskMap;

/// Wrapper aroung the `bpf_redirect_map` function.
///
/// # Return value
///
/// - `O
    
fn try_redirect_map(def: &UnsafeCell<bpf_map_def>, key: u32, flags: u64) -> Result<u32, u32> {
    // Return XDP_REDIRECT on success, or the value of the two lower bits of the flags argument on
    // error. Thus I have no idea why it returns a long (i64) instead of something saner, hence the
    // unsigned_abs.
    let ret = unsafe { bpf_redirect_map(def.get() as *mut _, key.into(), flags) };
    match ret.unsigned_abs() as u32 {
        XDP_REDIRECT => Ok(XDP_REDIRECT),
        ret => Err(ret),
    }
}