rust/tests/ui/issues/issue-21763.rs
2023-01-11 09:32:08 +00:00

12 lines
260 B
Rust

// Regression test for HashMap only impl'ing Send/Sync if its contents do
use std::collections::HashMap;
use std::rc::Rc;
fn foo<T: Send>() {}
fn main() {
foo::<HashMap<Rc<()>, Rc<()>>>();
//~^ ERROR `Rc<()>` cannot be sent between threads safely
}