39 lines
1.0 KiB
Rust
39 lines
1.0 KiB
Rust
// Copyright 2017 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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#![feature(rustc_attrs)]
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#![allow(warnings)]
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struct Attr {
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name: String,
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value: String,
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}
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struct Element {
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attrs: Vec<Box<Attr>>,
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}
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impl Element {
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pub unsafe fn get_attr<'a>(&'a self, name: &str) {
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self.attrs
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.iter()
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.find(|attr| {
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let attr: &&Box<Attr> = std::mem::transmute(attr);
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true
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});
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}
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}
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#[rustc_error]
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fn main() { //~ ERROR compilation successful
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let element = Element { attrs: Vec::new() };
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let _ = unsafe { element.get_attr("foo") };
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}
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