fn main() { let character: char = 'A'; // convert char type to u8 integer type let integer = char as u8; println!("character = {}", character); println!("integer = {}", integer); // prints 65 because in Unicode, A=65 }const RADIX: u32 = 10; let x = "134"; println!("{}", x.chars().map(|c| c.to_digit(RADIX).unwrap()).sum::<u32>());