20 lines
355 B
Rust
20 lines
355 B
Rust
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// provide custom privacy error for sealed traits
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pub mod a {
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pub trait Sealed: self::b::Hidden {
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fn foo() {}
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}
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struct X;
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impl Sealed for X {}
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impl self::b::Hidden for X {}
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mod b {
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pub trait Hidden {}
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}
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}
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struct S;
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impl a::Sealed for S {} //~ ERROR the trait bound `S: Hidden` is not satisfied
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fn main() {}
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