18 lines
303 B
Rust
18 lines
303 B
Rust
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// compile-flags: -Ztrait-solver=next
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// check-pass
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trait Trait<'a> {
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type Item: for<'b> Trait2<'b>;
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}
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trait Trait2<'a> {}
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impl Trait2<'_> for () {}
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fn needs_trait(_: Box<impl for<'a> Trait<'a> + ?Sized>) {}
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fn foo(x: Box<dyn for<'a> Trait<'a, Item = ()>>) {
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needs_trait(x);
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}
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fn main() {}
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