src/test/ui/run-pass/ctfe/tuple-struct-constructors.rs

   1 // Copyright 2018 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
  11 // run-pass
  12
  13 // https://github.com/rust-lang/rust/issues/41898
  14
  15 use std::num::NonZeroU64;
  16
  17 fn main() {
  18     const FOO: NonZeroU64 = unsafe { NonZeroU64::new_unchecked(2) };
  19     if let FOO = FOO {}
  20 }