rust/src/test/compile-fail/block-arg-as-stmt-with-value.rs

// Copyright 2012 The Rust Project Developers. See the COPYRIGHT
// file at the top-level directory of this distribution and at
// http://rust-lang.org/COPYRIGHT.
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.


fn compute1() -> float {
    let v = ~[0f, 1f, 2f, 3f];

    do vec::foldl(0f, v) |x, y| { x + *y } - 10f
    //~^ ERROR mismatched types: expected `()`
}

fn main() {
    let x = compute1();
    debug!(x);
    assert!((x == -4f));
}