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//chars vs u32 casting
use std::char;

fn add32(a:u32, b:u32) -> u32 {
    a + b
}

fn main(){
    println!("I have {}", 88 as char); //this is u8
    println!("I have {}", 88 as u32); //this s u32
    println!("I have {:?}", char::from_u32(8889 as u32).unwrap());
    println!("2 + 2 is {}", add32(2, 2));
}