include rt; include run; include icon; typecheck on; int target(int value) { return value + 1; } fn main() { let replacement = run.tokens("int target(char* value) { return 9; }"); rt.put_n(run.replace_function(target, replacement)); rt.put_c(' '); rt.put_n(target(3)); rt.put_c(10); return 0; }