1 // Copyright 2013 The Rust Project Developers. See the COPYRIGHT
2 // file at the top-level directory of this distribution and at
3 // http://rust-lang.org/COPYRIGHT.
5 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
6 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
7 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
8 // option. This file may not be copied, modified, or distributed
9 // except according to those terms.
17 //~^ ERROR cannot apply unary operator `-` to type `u8`
25 //~^ ERROR cannot apply unary operator `-` to type `u16`
32 Cu32 = -2_000_000_000,
33 //~^ ERROR cannot apply unary operator `-` to type `u32`
40 Cu32 = -2_000_000_000,
41 //~^ ERROR cannot apply unary operator `-` to type `u64`
44 // u64 currently allows negative numbers, and i64 allows numbers greater than `1<<63`. This is a
45 // little counterintuitive, but since the discriminant can store all the bits, and extracting it
46 // with a cast requires specifying the signedness, there is no loss of information in those cases.
47 // This also applies to isize and usize on 64-bit targets.