| // 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. |
| |
| // Matching against NaN should result in a warning |
| |
| #![allow(unused)] |
| #![deny(illegal_floating_point_literal_pattern)] |
| |
| use std::f64::NAN; |
| |
| fn main() { |
| let x = NAN; |
| match x { |
| NAN => {}, //~ ERROR floating-point types cannot be used |
| //~^ WARN this was previously accepted by the compiler but is being phased out |
| _ => {}, |
| }; |
| |
| match [x, 1.0] { |
| [NAN, _] => {}, //~ ERROR floating-point types cannot be used |
| //~^ WARN this was previously accepted by the compiler but is being phased out |
| _ => {}, |
| }; |
| } |
