https://github.com/akkartik/mu/blob/main/linux/ex1.mu
 1 # First example: return the answer to the Ultimate Question of Life, the
 2 # Universe, and Everything.
 3 #
 4 # To run:
 5 #   $ ./translate ex1.mu
 6 #   $ ./a.elf
 7 # Expected result:
 8 #   $ echo $?
 9 #   42
10 
11 fn main -> _/ebx: int {
12   return 0x2a  # Mu requires hexadecimal
13 }