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1 | // Copyright 2014 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. | |
4 | // | |
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. | |
10 | ||
1a4d82fc JJ |
11 | // Matching against NaN should result in a warning |
12 | ||
c30ab7b3 | 13 | #![allow(unused)] |
0531ce1d | 14 | #![deny(illegal_floating_point_literal_pattern)] |
c30ab7b3 | 15 | |
1a4d82fc JJ |
16 | use std::f64::NAN; |
17 | ||
c30ab7b3 | 18 | fn main() { |
1a4d82fc JJ |
19 | let x = NAN; |
20 | match x { | |
0531ce1d XL |
21 | NAN => {}, //~ ERROR floating-point types cannot be used |
22 | //~^ WARN this was previously accepted by the compiler but is being phased out | |
1a4d82fc JJ |
23 | _ => {}, |
24 | }; | |
c30ab7b3 | 25 | |
1a4d82fc | 26 | match [x, 1.0] { |
0531ce1d XL |
27 | [NAN, _] => {}, //~ ERROR floating-point types cannot be used |
28 | //~^ WARN this was previously accepted by the compiler but is being phased out | |
1a4d82fc JJ |
29 | _ => {}, |
30 | }; | |
1a4d82fc | 31 | } |