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pub trait StaticRefDefault: 'static {
    const STATIC_REF_DEFAULT: &'static Self;
}

impl<T: 'static> StaticRefDefault for Option<T> {
    const STATIC_REF_DEFAULT: &'static Self = &None;
}

impl StaticRefDefault for char {
    const STATIC_REF_DEFAULT: &'static Self = &(0 as char);
}