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44 lines
1.3 KiB
Rust
44 lines
1.3 KiB
Rust
#![feature(staged_api, never_type, rust_cold_cc)]
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//~^ ERROR module has missing stability attribute
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#[stable(feature = "a", since = "3.3.3")]
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struct StableType;
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#[unstable(feature = "b", issue = "none")]
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struct UnstableType;
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#[stable(feature = "c", since = "3.3.3")]
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trait StableTrait {}
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#[unstable(feature = "d", issue = "none")]
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trait UnstableTrait {}
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#[unstable(feature = "e", issue = "none")]
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impl UnstableTrait for UnstableType {}
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#[unstable(feature = "f", issue = "none")]
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impl StableTrait for UnstableType {}
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#[unstable(feature = "g", issue = "none")]
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impl UnstableTrait for StableType {}
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#[unstable(feature = "h", issue = "none")]
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impl StableTrait for ! {}
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// Note: If rust_cold_cc is stabilized, switch this to another (unstable) ABI.
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#[unstable(feature = "i", issue = "none")]
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impl StableTrait for extern "rust-cold" fn() {}
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#[unstable(feature = "j", issue = "none")]
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//~^ ERROR an `#[unstable]` annotation here has no effect [ineffective_unstable_trait_impl]
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impl StableTrait for StableType {}
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#[unstable(feature = "k", issue = "none")]
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//~^ ERROR an `#[unstable]` annotation here has no effect [ineffective_unstable_trait_impl]
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impl StableTrait for fn() -> ! {}
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#[unstable(feature = "l", issue = "none")]
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impl StableTrait for fn() -> UnstableType {}
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fn main() {}
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