68 lines
2.1 KiB
Rust
68 lines
2.1 KiB
Rust
// Regression test for <https://github.com/rust-lang/rust/issues/32077>.
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// https://github.com/rust-lang/rust/issues/32077
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#![crate_name = "foo"]
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pub struct GenericStruct<T>(T);
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impl<T> GenericStruct<T> {
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pub fn on_gen(arg: T) {}
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}
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impl GenericStruct<u32> {
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pub fn on_u32(arg: u32) {}
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}
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pub trait Foo {}
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pub trait Bar {}
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impl<T> Foo for GenericStruct<T> {}
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impl Bar for GenericStruct<u32> {}
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// @has 'foo/type.TypedefStruct.html'
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// We check that "Aliased type" is also present as a title in the sidebar.
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// @has - '//*[@class="sidebar-elems"]//h3/a[@href="#aliased-type"]' 'Aliased type'
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// We check that we have the implementation of the type alias itself.
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// @has - '//*[@id="impl-GenericStruct%3Cu8%3E"]/h3' 'impl TypedefStruct'
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// @has - '//*[@id="method.on_alias"]/h4' 'pub fn on_alias()'
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// @has - '//*[@id="impl-GenericStruct%3CT%3E"]/h3' 'impl<T> GenericStruct<T>'
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// @has - '//*[@id="method.on_gen"]/h4' 'pub fn on_gen(arg: T)'
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// @has - '//*[@id="impl-Foo-for-GenericStruct%3CT%3E"]/h3' 'impl<T> Foo for GenericStruct<T>'
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// This trait implementation doesn't match the type alias parameters so shouldn't appear in docs.
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// @!has - '//h3' 'impl Bar for GenericStruct<u32> {}'
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// Same goes for the `Deref` impl.
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// @!has - '//h2' 'Methods from Deref<Target = u32>'
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// @count - '//nav[@class="sidebar"]//a' 'on_alias' 1
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// @count - '//nav[@class="sidebar"]//a' 'on_gen' 1
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// @count - '//nav[@class="sidebar"]//a' 'Foo' 1
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// @!has - '//nav[@class="sidebar"]//a' 'Bar'
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// @!has - '//nav[@class="sidebar"]//a' 'on_u32'
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pub type TypedefStruct = GenericStruct<u8>;
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impl TypedefStruct {
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pub fn on_alias() {}
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}
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impl std::ops::Deref for GenericStruct<u32> {
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type Target = u32;
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fn deref(&self) -> &Self::Target {
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&self.0
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}
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}
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pub struct Wrap<T>(GenericStruct<T>);
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// @has 'foo/type.Alias.html'
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// @has - '//h2' 'Methods from Deref<Target = u32>'
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// @has - '//*[@id="impl-Deref-for-Wrap%3CT%3E"]/h3' 'impl<T> Deref for Wrap<T>'
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pub type Alias = Wrap<u32>;
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impl<T> std::ops::Deref for Wrap<T> {
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type Target = GenericStruct<T>;
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fn deref(&self) -> &Self::Target {
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&self.0
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}
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}
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