rust/tests/ui/borrow_box.rs

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// Copyright 2014-2018 The Rust Project Developers. See the COPYRIGHT
// file at the top-level directory of this distribution.
//
// 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.
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#![deny(clippy::borrowed_box)]
#![allow(clippy::blacklisted_name)]
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#![allow(unused_variables)]
#![allow(dead_code)]
pub fn test1(foo: &mut Box<bool>) {
println!("{:?}", foo)
}
pub fn test2() {
let foo: &Box<bool>;
}
struct Test3<'a> {
foo: &'a Box<bool>
}
trait Test4 {
fn test4(a: &Box<bool>);
}
impl<'a> Test4 for Test3<'a> {
fn test4(a: &Box<bool>) {
unimplemented!();
}
}
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use std::any::Any;
pub fn test5(foo: &mut Box<Any>) {
println!("{:?}", foo)
}
pub fn test6() {
let foo: &Box<Any>;
}
struct Test7<'a> {
foo: &'a Box<Any>
}
trait Test8 {
fn test8(a: &Box<Any>);
}
impl<'a> Test8 for Test7<'a> {
fn test8(a: &Box<Any>) {
unimplemented!();
}
}
pub fn test9(foo: &mut Box<Any + Send + Sync>) {
let _ = foo;
}
pub fn test10() {
let foo: &Box<Any + Send + 'static>;
}
struct Test11<'a> {
foo: &'a Box<Any + Send>
}
trait Test12 {
fn test4(a: &Box<Any + 'static>);
}
impl<'a> Test12 for Test11<'a> {
fn test4(a: &Box<Any + 'static>) {
unimplemented!();
}
}
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fn main(){
test1(&mut Box::new(false));
test2();
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test5(&mut (Box::new(false) as Box<Any>));
test6();
test9(&mut (Box::new(false) as Box<Any + Send + Sync>));
test10();
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}