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