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cyrgani
30 lines
1.7 KiB
Rust
30 lines
1.7 KiB
Rust
//@ compile-flags: --crate-type=lib
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//@ revisions: with_gate without_gate
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#![warn(incomplete_features)]
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#![cfg_attr(with_gate, feature(impl_restriction))]
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//[with_gate]~^ WARN the feature `impl_restriction` is incomplete and may not be safe to use and/or cause compiler crashes
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#![feature(auto_traits, const_trait_impl, trait_alias)]
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impl(crate) trait Alias = Copy; //~ ERROR trait aliases cannot be `impl`-restricted
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//[without_gate]~^ ERROR `impl` restrictions are experimental
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auto impl(in crate) trait AutoAlias = Copy; //~ ERROR trait aliases cannot be `impl`-restricted
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//~^ ERROR trait aliases cannot be `auto`
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//[without_gate]~| ERROR `impl` restrictions are experimental
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unsafe impl(self) trait UnsafeAlias = Copy; //~ ERROR trait aliases cannot be `impl`-restricted
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//~^ ERROR trait aliases cannot be `unsafe`
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//[without_gate]~| ERROR `impl` restrictions are experimental
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const impl(in self) trait ConstAlias = Copy; //~ ERROR trait aliases cannot be `impl`-restricted
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//[without_gate]~^ ERROR `impl` restrictions are experimental
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mod foo {
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impl(super) trait InnerAlias = Copy; //~ ERROR trait aliases cannot be `impl`-restricted
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//[without_gate]~^ ERROR `impl` restrictions are experimental
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const unsafe impl(in crate::foo) trait InnerConstUnsafeAlias = Copy; //~ ERROR trait aliases cannot be `impl`-restricted
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//~^ ERROR trait aliases cannot be `unsafe`
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//[without_gate]~| ERROR `impl` restrictions are experimental
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unsafe auto impl(in crate::foo) trait InnerUnsafeAutoAlias = Copy; //~ ERROR trait aliases cannot be `impl`-restricted
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//~^ ERROR trait aliases cannot be `auto`
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//~^^ ERROR trait aliases cannot be `unsafe`
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//[without_gate]~| ERROR `impl` restrictions are experimental
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}
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