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Add ui test of explicit impl trait for type

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David Tolnay 2020-10-04 00:19:09 -07:00
parent 2b3c2b2fa4
commit 64cab48688
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2 changed files with 15 additions and 0 deletions
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10
tests/ui/impl_trait_for_type.rs Normal file
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@ -0,0 +1,10 @@
#[cxx::bridge]
mod ffi {
struct S {
x: u8,
}
impl UniquePtrTarget for S {}
}
fn main() {}

5
tests/ui/impl_trait_for_type.stderr Normal file
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@ -0,0 +1,5 @@
error: unexpected impl, expected something like `impl UniquePtr<T> {}`
--> $DIR/impl_trait_for_type.rs:7:10
|
7 | impl UniquePtrTarget for S {}
| ^^^^^^^^^^^^^^^^^^^^^