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: emoji.rs
    path of file: ./repos/nushell/crates/nu-utils/src
    
    the code of the file until where you have to start completion: pub fn contains_emoji(val: &str) -> bool {
    // Let's do some special handling for emojis

    
pub fn contains_emoji(val: &str) -> bool {
    // Let's do some special handling for emojis
    const ZERO_WIDTH_JOINER: &str = "\u{200d}";
    const VARIATION_SELECTOR_16: &str = "\u{fe0f}";
    const SKIN_TONES: [&str; 5] = [
        "\u{1f3fb}", // Light Skin Tone
        "\u{1f3fc}", // Medium-Light Skin Tone
        "\u{1f3fd}", // Medium Skin Tone
        "\u{1f3fe}", // Medium-Dark Skin Tone
        "\u{1f3ff}", // Dark Skin Tone
    ];

    val.contains(ZERO_WIDTH_JOINER)
        || val.contains(VARIATION_SELECTOR_16)
        || SKIN_TONES.iter().any(|skin_tone| val.contains(skin_tone))
}