rust-clippy/tests/ui/borrow_box.rs
Philipp Hansch 2c72026fcb
Rustup to https://github.com/rust-lang/rust/pull/61203
Migrates all trait objects to use `dyn`
2019-05-30 08:31:09 +02:00

81 lines
1.3 KiB
Rust

#![deny(clippy::borrowed_box)]
#![allow(clippy::blacklisted_name)]
#![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!();
}
}
use std::any::Any;
pub fn test5(foo: &mut Box<dyn Any>) {
println!("{:?}", foo)
}
pub fn test6() {
let foo: &Box<dyn Any>;
}
struct Test7<'a> {
foo: &'a Box<dyn Any>,
}
trait Test8 {
fn test8(a: &Box<dyn Any>);
}
impl<'a> Test8 for Test7<'a> {
fn test8(a: &Box<dyn Any>) {
unimplemented!();
}
}
pub fn test9(foo: &mut Box<dyn Any + Send + Sync>) {
let _ = foo;
}
pub fn test10() {
let foo: &Box<dyn Any + Send + 'static>;
}
struct Test11<'a> {
foo: &'a Box<dyn Any + Send>,
}
trait Test12 {
fn test4(a: &Box<dyn Any + 'static>);
}
impl<'a> Test12 for Test11<'a> {
fn test4(a: &Box<dyn Any + 'static>) {
unimplemented!();
}
}
fn main() {
test1(&mut Box::new(false));
test2();
test5(&mut (Box::new(false) as Box<dyn Any>));
test6();
test9(&mut (Box::new(false) as Box<dyn Any + Send + Sync>));
test10();
}