mirror of https://github.com/rust-lang/rust
34 lines
754 B
Rust
34 lines
754 B
Rust
//@ run-pass
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#![allow(incomplete_features, unused_braces, unused_parens)]
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#![feature(unsized_tuple_coercion, unsized_locals, unsized_fn_params)]
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struct A<X: ?Sized>(#[allow(dead_code)] X);
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fn udrop<T: ?Sized>(_x: T) {}
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fn foo() -> Box<[u8]> {
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Box::new(*b"foo")
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}
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fn tfoo() -> Box<(i32, [u8])> {
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Box::new((42, *b"foo"))
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}
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fn afoo() -> Box<A<[u8]>> {
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Box::new(A(*b"foo"))
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}
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impl std::ops::Add<i32> for A<[u8]> {
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type Output = ();
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fn add(self, _rhs: i32) -> Self::Output {}
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}
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fn main() {
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udrop::<[u8]>(loop {
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break *foo();
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});
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udrop::<[u8]>(if true { *foo() } else { *foo() });
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udrop::<[u8]>({ *foo() });
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udrop::<[u8]>((*foo()));
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udrop::<[u8]>((*tfoo()).1);
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*afoo() + 42;
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udrop as fn([u8]);
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}
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