26 lines
381 B
Rust
26 lines
381 B
Rust
// run-fail
|
|
// error-pattern:Number is odd
|
|
// ignore-emscripten no processes
|
|
|
|
fn even(x: usize) -> bool {
|
|
if x < 2 {
|
|
return false;
|
|
} else if x == 2 {
|
|
return true;
|
|
} else {
|
|
return even(x - 2);
|
|
}
|
|
}
|
|
|
|
fn foo(x: usize) {
|
|
if even(x) {
|
|
println!("{}", x);
|
|
} else {
|
|
panic!("Number is odd");
|
|
}
|
|
}
|
|
|
|
fn main() {
|
|
foo(3);
|
|
}
|