31 lines
1 KiB
Rust
31 lines
1 KiB
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.
|
|
|
|
// 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
|
|
_ => {},
|
|
};
|
|
}
|