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25 lines
660 B
Rust
25 lines
660 B
Rust
// run-pass
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// All 3 expressions should work in that the argument gets
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// coerced to a trait object
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// pretty-expanded FIXME #23616
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fn main() {
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send::<Box<dyn Foo>>(Box::new(Output(0)));
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Test::<Box<dyn Foo>>::foo(Box::new(Output(0)));
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Test::<Box<dyn Foo>>::new().send(Box::new(Output(0)));
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}
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fn send<T>(_: T) {}
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struct Test<T> { marker: std::marker::PhantomData<T> }
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impl<T> Test<T> {
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fn new() -> Test<T> { Test { marker: ::std::marker::PhantomData } }
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fn foo(_: T) {}
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fn send(&self, _: T) {}
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}
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trait Foo { fn dummy(&self) { }} //~ WARN method `dummy` is never used
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struct Output(#[allow(dead_code)] isize);
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impl Foo for Output {}
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