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: bytes_arena.rs
    path of file: ./repos/blaze/native-engine/datafusion-ext-commons/src
    
    the code of the file until where you have to start completion: // Copyright 2022 The Blaze Authors
//
// Licensed under the
    
fn unapply_arena_addr(addr: u64) -> (usize, usize, usize) {
    let id_offset = addr >> 32;
    let id = id_offset / (BUF_CAPACITY_TARGET as u64);
    let offset = id_offset % (BUF_CAPACITY_TARGET as u64);
    let len = addr << 32 >> 32;
    (id as usize, offset as usize, len as usize)
}