21 lines
302 B
Rust
21 lines
302 B
Rust
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// Test that specializing on a trait is not allowed in general.
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#![feature(min_specialization)]
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trait SpecMarker {}
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trait X {
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fn f();
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}
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impl<T> X for T {
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default fn f() {}
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}
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impl<T: SpecMarker> X for T {
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//~^ ERROR cannot specialize on trait `SpecMarker`
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fn f() {}
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}
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fn main() {}
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