rust/src/test/compile-fail/for-loop-bogosity.rs
Huon Wilson 2e4a21c2c2 Mention type of for exprs that don't implement Iterator.
This improves the error message by telling the user the exact type of
`x` if it doesn't implement `Iterator` in `for ... in x {}`.

Closes #16043.
2014-08-29 17:39:09 +10:00

31 lines
802 B
Rust

// Copyright 2014 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.
struct MyStruct {
x: int,
y: int,
}
impl MyStruct {
fn next(&mut self) -> Option<int> {
Some(self.x)
}
}
pub fn main() {
let mut bogus = MyStruct {
x: 1,
y: 2,
};
for x in bogus { //~ ERROR has type `MyStruct` which does not implement the `Iterator` trait
drop(x);
}
}