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#[macro_export]
macro_rules! mystruct_init {
    ($($t:ty),*) => {
        $(
            impl std::fmt::Display for $t {
                fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
                    write!(f, "{}", serde_json::to_string(self).unwrap())
                }
            }
        )*
    }
}