mirror of https://github.com/rust-lang/rust
73 lines
3.0 KiB
Rust
73 lines
3.0 KiB
Rust
// Test that we do not currently display `~const` in rustdoc
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// as that syntax is currently provisional; `~const Destruct` has
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// no effect on stable code so it should be hidden as well.
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//
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// To future blessers: make sure that `const_trait_impl` is
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// stabilized when changing `@!has` to `@has`, and please do
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// not remove this test.
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//
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// FIXME(effects) add `const_trait` to `Fn` so we use `~const`
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#![feature(const_trait_impl)]
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#![crate_name = "foo"]
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use std::marker::Destruct;
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pub struct S<T>(T);
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// @!has foo/trait.Tr.html '//pre[@class="rust item-decl"]/code/a[@class="trait"]' '~const'
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// @has - '//pre[@class="rust item-decl"]/code/a[@class="trait"]' 'Fn'
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// @!has - '//pre[@class="rust item-decl"]/code/span[@class="where"]' '~const'
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// @has - '//pre[@class="rust item-decl"]/code/span[@class="where"]' ': Fn'
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#[const_trait]
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pub trait Tr<T> {
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// @!has - '//section[@id="method.a"]/h4[@class="code-header"]' '~const'
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// @has - '//section[@id="method.a"]/h4[@class="code-header"]/a[@class="trait"]' 'Fn'
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// @!has - '//section[@id="method.a"]/h4[@class="code-header"]/span[@class="where"]' '~const'
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// @has - '//section[@id="method.a"]/h4[@class="code-header"]/div[@class="where"]' ': Fn'
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fn a<A: /* ~const */ Fn() + ~const Destruct>()
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where
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Option<A>: /* ~const */ Fn() + ~const Destruct,
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{
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}
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}
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// @has - '//section[@id="impl-Tr%3CT%3E-for-T"]' ''
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// @!has - '//section[@id="impl-Tr%3CT%3E-for-T"]/h3[@class="code-header"]' '~const'
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// @has - '//section[@id="impl-Tr%3CT%3E-for-T"]/h3[@class="code-header"]/a[@class="trait"]' 'Fn'
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// @!has - '//section[@id="impl-Tr%3CT%3E-for-T"]/h3[@class="code-header"]/span[@class="where"]' '~const'
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// @has - '//section[@id="impl-Tr%3CT%3E-for-T"]/h3[@class="code-header"]/div[@class="where"]' ': Fn'
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impl<T: /* ~const */ Fn() + ~const Destruct> const Tr<T> for T
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where
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Option<T>: /* ~const */ Fn() + ~const Destruct,
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{
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fn a<A: /* ~const */ Fn() + ~const Destruct>()
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where
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Option<A>: /* ~const */ Fn() + ~const Destruct,
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{
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}
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}
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// @!has foo/fn.foo.html '//pre[@class="rust item-decl"]/code/a[@class="trait"]' '~const'
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// @has - '//pre[@class="rust item-decl"]/code/a[@class="trait"]' 'Fn'
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// @!has - '//pre[@class="rust item-decl"]/code/div[@class="where"]' '~const'
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// @has - '//pre[@class="rust item-decl"]/code/div[@class="where"]' ': Fn'
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pub const fn foo<F: /* ~const */ Fn() + ~const Destruct>()
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where
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Option<F>: /* ~const */ Fn() + ~const Destruct,
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{
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F::a()
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}
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impl<T> S<T> {
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// @!has foo/struct.S.html '//section[@id="method.foo"]/h4[@class="code-header"]' '~const'
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// @has - '//section[@id="method.foo"]/h4[@class="code-header"]/a[@class="trait"]' 'Fn'
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// @!has - '//section[@id="method.foo"]/h4[@class="code-header"]/span[@class="where"]' '~const'
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// @has - '//section[@id="method.foo"]/h4[@class="code-header"]/div[@class="where"]' ': Fn'
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pub const fn foo<B, C: /* ~const */ Fn() + ~const Destruct>()
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where
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B: /* ~const */ Fn() + ~const Destruct,
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{
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B::a()
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}
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}
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