see http://qiita.com/dongri/items/041ff3e7dde6c99beeb0
use std::char;
fn main() {
let love = char::from_u32(('生' as u32) & ('死' as u32)).unwrap();
print!("{}", love)
}
安全じゃないやつ(unsafe版)。
use std::char;
fn main() {
let love = unsafe { char::from_u32_unchecked(('生' as u32) & ('死' as u32)) };
print!("{}", love)
}