42 lines
757 B
Rust
42 lines
757 B
Rust
// Test that the use of the non object-safe trait objects
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// are gated by `object_safe_for_dispatch` feature gate.
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trait NonObjectSafe1: Sized {}
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trait NonObjectSafe2 {
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fn static_fn() {}
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}
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trait NonObjectSafe3 {
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fn foo<T>(&self);
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}
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trait NonObjectSafe4 {
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fn foo(&self, s: &Self);
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}
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fn takes_non_object_safe_ref<T>(obj: &dyn NonObjectSafe1) {
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//~^ ERROR E0038
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}
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fn return_non_object_safe_ref() -> &'static dyn NonObjectSafe2 {
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//~^ ERROR E0038
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loop {}
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}
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fn takes_non_object_safe_box(obj: Box<dyn NonObjectSafe3>) {
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//~^ ERROR E0038
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}
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fn return_non_object_safe_rc() -> std::rc::Rc<dyn NonObjectSafe4> {
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//~^ ERROR E0038
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loop {}
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}
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trait Trait {}
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impl Trait for dyn NonObjectSafe1 {}
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//~^ ERROR E0038
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fn main() {}
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