| // Copyright 2016 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 main() { |
| let Box(a) = loop { }; |
| //~^ ERROR expected tuple struct/variant, found struct `Box` |
| |
| // (The below is a trick to allow compiler to infer a type for |
| // variable `a` without attempting to ascribe a type to the |
| // pattern or otherwise attempting to name the Box type, which |
| // would run afoul of issue #22207) |
| let _b: *mut i32 = *a; |
| } |