#![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(); }