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: qcolor.rs
    path of file: ./repos/cxx-qt/tests/qt_types_standalone/rust/src
    
    the code of the file until where you have to start completion: // SPDX-FileCopyrightText: 2022 Klar√§lvdalens Datakonsult AB, a KDAB Group company <info@kdab.com>
// SPDX-FileContributor: Andrew Hayzen <andrew.hayzen@kdab.com>
// SPDX-FileContributor: Gerhard de Clercq <gerhard.declercq@kdab.com>
//
// SPDX-License-Identifier: MIT OR Apache-2.0

use cxx_qt_lib::QColor;

#[cxx::bridge]
mod qcolor_cxx {
    enum ColorTest {
        Rgb_Red,
        Rg
    
fn read_qcolor(color: &QColor, test: ColorTest) -> bool {
    match test {
        ColorTest::Rgb_Red => {
            color.alpha() == 255 && color.red() == 255 && color.green() == 0 && color.blue() == 0
        }
        ColorTest::Rgb_Green => {
            color.alpha() == 255 && color.red() == 0 && color.green() == 255 && color.blue() == 0
        }
        ColorTest::Rgb_Blue => {
            color.alpha() == 255 && color.red() == 0 && color.green() == 0 && color.blue() == 255
        }
        ColorTest::Rgb_Transparent => {
            color.alpha() == 0 && color.red() == 0 && color.green() == 0 && color.blue() == 0
        }
        _others => panic!("Unsupported test: {}", test.repr),
    }
}