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/snarkVM/console/algorithms/src/bhp
    
    the code of the file until where you have to start completion: // Copyright (C) 2019-2023 Aleo Systems Inc.
// This file is part of the snarkVM library.

// Licensed under the Apache License, Version 2.0 (the "License");
// you may not us
    
    pub fn setup(domain: &str) -> Result<Self> {
        // Ensure the given domain is within the allowed size in bits.
        let num_bits = domain.len().saturating_mul(8);
        let max_bits = Field::<E>::size_in_data_bits() - 64; // 64 bits encode the length.
        ensure!(num_bits <= max_bits, "Domain cannot exceed {max_bits} bits, found {num_bits} bits");

        // Initialize the BHP hasher.
        let hasher = BHPHasher::<E, NUM_WINDOWS, WINDOW_SIZE>::setup(domain)?;

        // Convert the domain into a boolean vector.
        let mut domain = domain.as_bytes().to_bits_le();
        // Pad the domain with zeros up to the maximum size in bits.
        domain.resize(max_bits, false);
        // Reverse the domain so that it is: [ 0...0 || DOMAIN ].
        // (For advanced users): This optimizes the initial costs during hashing.
        domain.reverse();

        Ok(Self { domain, hasher })
    }