src/test/ui/not-enough-arguments.rs

// Check that the only error msg we report is the
// mismatch between the # of params, and not other
// unrelated errors.

fn foo(a: isize, b: isize, c: isize, d:isize) {
  panic!();
}

// Check that all arguments are shown in the error message, even if they're across multiple lines.
fn bar(
    a: i32,
    b: i32,
    c: i32,
    d: i32,
    e: i32,
    f: i32,
) {
    println!("{}", a);
    println!("{}", b);
    println!("{}", c);
    println!("{}", d);
    println!("{}", e);
    println!("{}", f);
}

fn main() {
  foo(1, 2, 3);
  //~^ ERROR this function takes 4 arguments but 3
  bar(1, 2, 3);
  //~^ ERROR this function takes 6 arguments but 3
}