use std::any::TypeId;
use std::collections::HashMap;
use std::{collections::HashSet, hash::Hash};
#[derive(Debug)]
struct BinaryBox(TypeId, Box<[u8]>);
impl PartialEq for BinaryBox {
    fn eq(&self, other: &Self) -> bool {
        self.0 == other.0 && self.1 == other.1
    }
}
impl Eq for BinaryBox {}
impl Hash for BinaryBox {
    fn hash<H: std::hash::Hasher>(&self, state: &mut H) {
        self.0.hash(state);
        self.1.hash(state);
    }
}
fn main() {
    let mut set = HashMap::<BinaryBox, BinaryBox>::new();
    set.insert(
        BinaryBox(
            TypeId::of::<&str>(),
            "Key".as_bytes().to_vec().into_boxed_slice(),
        ),
        BinaryBox(TypeId::of::<i32>(), Box::new(123i32.to_ne_bytes())),
    );
    println!("{:?}", set);
}
 

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