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75 lines
1.9 KiB
Rust
75 lines
1.9 KiB
Rust
use std::ops::Deref;
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// Due to aggressive error message deduplication, we require 20 *different*
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// unsized types (even Path and [u8] are considered the "same").
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trait Foo {}
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trait Bar {}
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trait FooBar {}
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trait BarFoo {}
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trait PathHelper1 {}
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trait PathHelper2 {}
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trait PathHelper3 {}
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trait PathHelper4 {}
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struct Path1(dyn PathHelper1);
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struct Path2(dyn PathHelper2);
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struct Path3(dyn PathHelper3);
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struct Path4(dyn PathHelper4);
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enum E<W: ?Sized, X: ?Sized, Y: ?Sized, Z: ?Sized> {
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// parameter
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VA(W),
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//~^ ERROR the size for values of type
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VB{x: X},
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//~^ ERROR the size for values of type
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VC(isize, Y),
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//~^ ERROR the size for values of type
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VD{u: isize, x: Z},
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//~^ ERROR the size for values of type
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// slice / str
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VE([u8]),
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//~^ ERROR the size for values of type
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VF{x: str},
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//~^ ERROR the size for values of type
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VG(isize, [f32]),
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//~^ ERROR the size for values of type
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VH{u: isize, x: [u32]},
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//~^ ERROR the size for values of type
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// unsized struct
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VI(Path1),
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//~^ ERROR the size for values of type
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VJ{x: Path2},
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//~^ ERROR the size for values of type
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VK(isize, Path3),
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//~^ ERROR the size for values of type
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VL{u: isize, x: Path4},
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//~^ ERROR the size for values of type
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// plain trait
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VM(dyn Foo),
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//~^ ERROR the size for values of type
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VN{x: dyn Bar},
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//~^ ERROR the size for values of type
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VO(isize, dyn FooBar),
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//~^ ERROR the size for values of type
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VP{u: isize, x: dyn BarFoo},
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//~^ ERROR the size for values of type
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// projected
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VQ(<&'static [i8] as Deref>::Target),
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//~^ ERROR the size for values of type
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VR{x: <&'static [char] as Deref>::Target},
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//~^ ERROR the size for values of type
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VS(isize, <&'static [f64] as Deref>::Target),
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//~^ ERROR the size for values of type
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VT{u: isize, x: <&'static [i32] as Deref>::Target},
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//~^ ERROR the size for values of type
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}
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fn main() { }
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