incl bool
incl int
incl string

incl pair
incl maybe
incl range
incl iter
incl ffi
incl args
incl fmt
incl intrinsics

/// Implicitly links with libc.so.6, this is not okay.  
/// incl vec

ext func __builtin_exit(exit_code: int);

type NoReturn;

// FIXME: Add a default value argument here, which defaults to 0
// func exit(code: int = 0) {
func exit(code: int) -> NoReturn {
    __builtin_exit(code);
    NoReturn
}