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: i2c_dummy.rs
    path of file: ./repos/tock/boards/imix/src/test
    
    the code of the file until where you have to start completion: // Licensed under the Apache License, Version 2.0 or the MIT License.
// SPDX-License-Identifier: Apache-2.0 OR MI
    
pub fn i2c_scan_slaves(i2c_master: &'static dyn I2CMaster<'static>) {
    static mut DATA: [u8; 255] = [0; 255];

    let dev = i2c_master;

    let i2c_client = unsafe { kernel::static_init!(ScanClient, ScanClient::new(dev)) };
    dev.set_master_client(i2c_client);

    dev.enable();

    debug!("Scanning for I2C devices...");
    dev.write(i2c_client.dev_id.get(), unsafe { &mut DATA }, 2)
        .unwrap();
}