26 lines
442 B
Rust
26 lines
442 B
Rust
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// compile-flags: -Ztrait-solver=next
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// check-pass
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#![feature(unsized_tuple_coercion)]
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trait Foo {}
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impl Foo for i32 {}
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fn main() {
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// Unsizing via struct
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let _: Box<dyn Foo> = Box::new(1i32);
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// Slice unsizing
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let y = [1, 2, 3];
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let _: &[i32] = &y;
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// Tuple unsizing
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let hi = (1i32,);
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let _: &(dyn Foo,) = &hi;
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// Dropping auto traits
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let a: &(dyn Foo + Send) = &1;
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let _: &dyn Foo = a;
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}
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