mirror of https://github.com/rust-lang/rust
29 lines
919 B
Rust
29 lines
919 B
Rust
// Checks that certain traits for which we don't want to suggest borrowing
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// are blacklisted and don't cause the suggestion to be issued.
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#![feature(coroutines)]
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fn f_copy<T: Copy>(t: T) {}
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fn f_clone<T: Clone>(t: T) {}
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fn f_unpin<T: Unpin>(t: T) {}
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fn f_sized<T: Sized>(t: T) {}
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fn f_send<T: Send>(t: T) {}
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struct S;
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fn main() {
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f_copy("".to_string()); //~ ERROR: the trait bound `String: Copy` is not satisfied [E0277]
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f_clone(S); //~ ERROR: the trait bound `S: Clone` is not satisfied [E0277]
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f_unpin(#[coroutine] static || { yield; });
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//~^ ERROR: cannot be unpinned [E0277]
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let cl = || ();
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let ref_cl: &dyn Fn() -> () = &cl;
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f_sized(*ref_cl);
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//~^ ERROR: the size for values of type `dyn Fn()` cannot be known at compilation time [E0277]
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use std::rc::Rc;
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let rc = Rc::new(0);
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f_send(rc); //~ ERROR: `Rc<{integer}>` cannot be sent between threads safely [E0277]
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}
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