Potential saftey issue #8
Description
Using the following code I am able to reliably corrupt data in foo in rust nightly rustc 1.5.0-nightly (b2f379cdc 2015-09-23)
extern crate scoped_threadpool;
use scoped_threadpool::{Pool, Scope};
#[derive(Debug)]
pub struct RefOwner<'a>(&'a str);
pub struct ScopeRef<'a, 'pool, 'scope> where 'pool: 'scope, 'scope: 'a {
scope: &'a Scope<'pool, 'scope>,
}
impl<'a, 'pool, 'scope> ScopeRef<'a, 'pool, 'scope> {
pub fn new(scope: &'a Scope<'pool, 'scope>) -> ScopeRef<'a, 'pool, 'scope> {
ScopeRef { scope: scope }
}
pub fn execute<'b: 'pool>(&self, ref_owner: &'b RefOwner) -> String {
self.scope.execute(move || {
println!("Got: {}", ref_owner.0);
});
ref_owner.0.to_owned()
}
}
#[test]
fn it_works() {
let foo = "foo".to_owned();
let mut pool = Pool::new(2);
pool.scoped(|scope| {
let ref_owner= RefOwner(&foo);
let scope_ref = ScopeRef::new(scope);
let result = scope_ref.execute(&ref_owner);
assert_eq!(foo, result);
});
} Running target/debug/pool_problems-5eb09be270cfb456
running 1 test
Got: H
test it_works ... ok
test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured
Doc-tests pool_problems
running 0 tests
test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured