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40 lines
1.7 KiB
Rust
40 lines
1.7 KiB
Rust
// Regression test for #127441
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// Tests that we make the correct suggestion
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// in case there are more than one `?Sized`
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// bounds on a function parameter
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use std::fmt::Debug;
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fn foo1<T: ?Sized>(a: T) {}
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//~^ ERROR he size for values of type `T` cannot be known at compilation time
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fn foo2<T: ?Sized + ?Sized>(a: T) {}
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//~^ ERROR type parameter has more than one relaxed default bound, only one is supported
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//~| ERROR the size for values of type `T` cannot be known at compilation time
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fn foo3<T: ?Sized + ?Sized + Debug>(a: T) {}
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//~^ ERROR type parameter has more than one relaxed default bound, only one is supported
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//~| ERROR he size for values of type `T` cannot be known at compilation time
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fn foo4<T: ?Sized + Debug + ?Sized >(a: T) {}
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//~^ ERROR type parameter has more than one relaxed default bound, only one is supported
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//~| ERROR the size for values of type `T` cannot be known at compilation time
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fn foo5(_: impl ?Sized) {}
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//~^ ERROR the size for values of type `impl ?Sized` cannot be known at compilation time
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fn foo6(_: impl ?Sized + ?Sized) {}
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//~^ ERROR type parameter has more than one relaxed default bound, only one is supported
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//~| ERROR the size for values of type `impl ?Sized + ?Sized` cannot be known at compilation tim
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fn foo7(_: impl ?Sized + ?Sized + Debug) {}
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//~^ ERROR type parameter has more than one relaxed default bound, only one is supported
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//~| ERROR the size for values of type `impl ?Sized + ?Sized + Debug` cannot be known at compilation time
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fn foo8(_: impl ?Sized + Debug + ?Sized ) {}
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//~^ ERROR type parameter has more than one relaxed default bound, only one is supported
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//~| ERROR the size for values of type `impl ?Sized + Debug + ?Sized` cannot be known at compilation time
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fn main() {}
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