mirror of https://github.com/rust-lang/rust.git
38 lines
1.4 KiB
Rust
38 lines
1.4 KiB
Rust
#![crate_type="lib"]
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//@ has assoc_types/trait.Index.html
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pub trait Index<I: ?Sized> {
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//@ has - '//*[@id="associatedtype.Output"]//h4[@class="code-header"]' 'type Output: ?Sized'
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type Output: ?Sized;
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//@ has - '//*[@id="tymethod.index"]//h4[@class="code-header"]' \
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// "fn index<'a>(&'a self, index: I) -> &'a Self::Output"
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//@ has - '//*[@id="tymethod.index"]//h4[@class="code-header"]//a[@href="trait.Index.html#associatedtype.Output"]' \
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// "Output"
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fn index<'a>(&'a self, index: I) -> &'a Self::Output;
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}
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//@ has assoc_types/fn.use_output.html
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//@ has - '//pre[@class="rust item-decl"]' '-> &T::Output'
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//@ has - '//pre[@class="rust item-decl"]//a[@href="trait.Index.html#associatedtype.Output"]' 'Output'
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pub fn use_output<T: Index<usize>>(obj: &T, index: usize) -> &T::Output {
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obj.index(index)
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}
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pub trait Feed {
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type Input;
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}
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//@ has assoc_types/fn.use_input.html
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//@ has - '//pre[@class="rust item-decl"]' 'T::Input'
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//@ has - '//pre[@class="rust item-decl"]//a[@href="trait.Feed.html#associatedtype.Input"]' 'Input'
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pub fn use_input<T: Feed>(_feed: &T, _element: T::Input) { }
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//@ has assoc_types/fn.cmp_input.html
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//@ has - '//pre[@class="rust item-decl"]' 'where T::Input: PartialEq<U::Input>'
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//@ has - '//pre[@class="rust item-decl"]//a[@href="trait.Feed.html#associatedtype.Input"]' 'Input'
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pub fn cmp_input<T: Feed, U: Feed>(a: &T::Input, b: &U::Input) -> bool
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where T::Input: PartialEq<U::Input>
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{
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a == b
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}
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