rust/src/test/run-pass/issue-17734.rs
Brian Anderson 8c93a79e38 rustdoc: Replace no-pretty-expanded with pretty-expanded
Now that features must be declared expanded source often does not compile.
This adds 'pretty-expanded' to a bunch of test cases that still work.
2015-03-23 14:40:26 -07:00

28 lines
993 B
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.
// Test that generating drop glue for Box<str> doesn't ICE
// pretty-expanded FIXME #23616
fn f(s: Box<str>) -> Box<str> {
s
}
fn main() {
// There is currently no safe way to construct a `Box<str>`, so improvise
//
// FIXME (#22405): Replace `Box::new` with `box` here when/if possible.
let box_arr: Box<[u8]> = Box::new(['h' as u8, 'e' as u8, 'l' as u8, 'l' as u8, 'o' as u8]);
let box_str: Box<str> = unsafe { std::mem::transmute(box_arr) };
assert_eq!(&*box_str, "hello");
f(box_str);
}