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panic.rs
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#![allow(dead_code)]
use std::cell::RefCell;
use std::panic::{AssertUnwindSafe, UnwindSafe};
use std::rc::Rc;
use std::sync::{Arc, Mutex, RwLock};
struct Foo {
a: i32,
}
fn assert<T: UnwindSafe + ?Sized>() {}
#[test]
fn panic_safety_traits() {
assert::<i32>();
assert::<&i32>();
assert::<*mut i32>();
assert::<*const i32>();
assert::<usize>();
assert::<str>();
assert::<&str>();
assert::<Foo>();
assert::<&Foo>();
assert::<Vec<i32>>();
assert::<String>();
assert::<RefCell<i32>>();
assert::<Box<i32>>();
assert::<Mutex<i32>>();
assert::<RwLock<i32>>();
assert::<&Mutex<i32>>();
assert::<&RwLock<i32>>();
assert::<Rc<i32>>();
assert::<Arc<i32>>();
assert::<Box<[u8]>>();
{
trait Trait: UnwindSafe {}
assert::<Box<dyn Trait>>();
}
fn bar<T>() {
assert::<Mutex<T>>();
assert::<RwLock<T>>();
}
fn baz<T: UnwindSafe>() {
assert::<Box<T>>();
assert::<Vec<T>>();
assert::<RefCell<T>>();
assert::<AssertUnwindSafe<T>>();
assert::<&AssertUnwindSafe<T>>();
assert::<Rc<AssertUnwindSafe<T>>>();
assert::<Arc<AssertUnwindSafe<T>>>();
}
}