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39 lines
861 B
Rust
39 lines
861 B
Rust
// https://github.com/rust-lang/rust/issues/60726
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#![crate_name="foo"]
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use std::marker::PhantomData;
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pub struct True;
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pub struct False;
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pub trait InterfaceType{
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type Send;
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}
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pub struct FooInterface<T>(PhantomData<fn()->T>);
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impl<T> InterfaceType for FooInterface<T> {
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type Send=False;
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}
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pub struct DynTrait<I>{
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_interface:PhantomData<fn()->I>,
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_unsync_unsend:PhantomData<::std::rc::Rc<()>>,
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}
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unsafe impl<I> Send for DynTrait<I>
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where
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I:InterfaceType<Send=True>
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{}
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// @has foo/struct.IntoIter.html
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// @has - '//*[@id="synthetic-implementations-list"]//*[@class="impl"]//h3[@class="code-header"]' \
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// "impl<T> !Send for IntoIter<T>"
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// @has - '//*[@id="synthetic-implementations-list"]//*[@class="impl"]//h3[@class="code-header"]' \
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// "impl<T> !Sync for IntoIter<T>"
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pub struct IntoIter<T>{
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hello:DynTrait<FooInterface<T>>,
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}
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