rust/src/test/compile-fail/issue-6804.rs
2014-03-28 17:12:21 -07:00

34 lines
1.0 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.
#![allow(dead_code)]
// Matching against NaN should result in a warning
use std::f64::NAN;
fn main() {
let x = NAN;
match x {
NAN => {},
_ => {},
};
//~^^^ WARNING unmatchable NaN in pattern, use the is_nan method in a guard instead
match [x, 1.0] {
[NAN, _] => {},
_ => {},
};
//~^^^ WARNING unmatchable NaN in pattern, use the is_nan method in a guard instead
}
// At least one error is needed so that compilation fails
#[static_assert]
static b: bool = false; //~ ERROR static assertion failed