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4e48768908
This allows impls such as `impl QueryData for OneOf<(T,)>` to be displayed as variadic: `impl QueryData for OneOf<(T₁, T₂, …, Tₙ)>`. See question on zulip: <https://rust-lang.zulipchat.com/#narrow/channel/266220-t-rustdoc/topic/Make.20.60.23.5Bdoc.28fake_variadic.29.5D.60.20more.20useful>
55 lines
1.8 KiB
Rust
55 lines
1.8 KiB
Rust
//@ compile-flags: --crate-type lib --edition 2018
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#![crate_name = "foo"]
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#![feature(rustdoc_internals)]
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pub trait Foo {}
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//@ has foo/trait.Foo.html
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//@ has - '//section[@id="impl-Foo-for-(T,)"]/h3' 'impl<T> Foo for (T₁, T₂, …, Tₙ)'
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#[doc(fake_variadic)]
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impl<T> Foo for (T,) {}
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pub trait Bar {}
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//@ has foo/trait.Bar.html
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//@ has - '//section[@id="impl-Bar-for-(U,)"]/h3' 'impl<U: Foo> Bar for (U₁, U₂, …, Uₙ)'
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#[doc(fake_variadic)]
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impl<U: Foo> Bar for (U,) {}
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pub trait Baz<T> { fn baz(&self) -> T { todo!() } }
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//@ has foo/trait.Baz.html
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//@ has - '//section[@id="impl-Baz%3C(T,)%3E-for-%5BT;+1%5D"]/h3' 'impl<T> Baz<(T₁, T₂, …, Tₙ)> for [T; N]'
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#[doc(fake_variadic)]
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impl<T> Baz<(T,)> for [T; 1] {}
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//@ has foo/trait.Baz.html
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//@ has - '//section[@id="impl-Baz%3C%5BT;+1%5D%3E-for-(T,)"]/h3' 'impl<T> Baz<[T; N]> for (T₁, T₂, …, Tₙ)'
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#[doc(fake_variadic)]
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impl<T> Baz<[T; 1]> for (T,) {}
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//@ has foo/trait.Baz.html
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//@ has - '//section[@id="impl-Baz%3CT%3E-for-(T,)"]/h3' 'impl<T> Baz<T> for (T₁, T₂, …, Tₙ)'
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#[doc(fake_variadic)]
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impl<T> Baz<T> for (T,) {}
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pub trait Qux {}
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pub struct NewType<T>(T);
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//@ has foo/trait.Qux.html
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//@ has - '//section[@id="impl-Qux-for-NewType%3C(T,)%3E"]/h3' 'impl<T> Qux for NewType<(T₁, T₂, …, Tₙ)>'
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#[doc(fake_variadic)]
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impl<T> Qux for NewType<(T,)> {}
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//@ has foo/trait.Qux.html
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//@ has - '//section[@id="impl-Qux-for-NewType%3CNewType%3C(T,)%3E%3E"]/h3' 'impl<T> Qux for NewType<NewType<(T₁, T₂, …, Tₙ)>>'
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#[doc(fake_variadic)]
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impl<T> Qux for NewType<NewType<(T,)>> {}
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//@ has foo/trait.Qux.html
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//@ has - '//section[@id="impl-Qux-for-NewType%3Cfn(T)+-%3E+Out%3E"]/h3' 'impl<T, Out> Qux for NewType<fn(T₁, T₂, …, Tₙ) -> Out>'
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#[doc(fake_variadic)]
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impl<T, Out> Qux for NewType<fn(T) -> Out> {}
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