| // Copyright 2013 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)] |
| // Issue #5041 - avoid overlapping memcpy when src and dest of a swap are the same |
| |
| // pretty-expanded FIXME #23616 |
| |
| use std::ptr; |
| |
| pub fn main() { |
| let mut test = TestDescAndFn { |
| desc: TestDesc { |
| name: TestName::DynTestName("test".to_string()), |
| should_fail: false |
| }, |
| testfn: TestFn::DynTestFn(22), |
| }; |
| do_swap(&mut test); |
| } |
| |
| fn do_swap(test: &mut TestDescAndFn) { |
| unsafe { |
| ptr::swap(test, test); |
| } |
| } |
| |
| pub enum TestName { |
| DynTestName(String) |
| } |
| |
| pub enum TestFn { |
| DynTestFn(isize), |
| DynBenchFn(isize), |
| } |
| |
| pub struct TestDesc { |
| name: TestName, |
| should_fail: bool |
| } |
| |
| pub struct TestDescAndFn { |
| desc: TestDesc, |
| testfn: TestFn, |
| } |