mirror of https://github.com/rust-lang/rust
64 lines
1.0 KiB
Rust
64 lines
1.0 KiB
Rust
//@ check-pass
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trait A<'a> {}
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trait B<'b> {}
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fn foo<T>()
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where
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for<'a> T: A<'a> + 'a,
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{
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}
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trait C<'c>: for<'a> A<'a> + for<'b> B<'b> {
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type As;
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}
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struct D<T>
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where
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T: for<'c> C<'c, As: A<'c>>,
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{
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t: std::marker::PhantomData<T>,
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}
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trait E<'e> {
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type As;
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}
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trait F<'f>: for<'a> A<'a> + for<'e> E<'e> {}
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struct G<T>
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where
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for<'f> T: F<'f, As: E<'f>> + 'f,
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{
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t: std::marker::PhantomData<T>,
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}
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trait I<'a, 'b, 'c> {
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type As;
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}
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trait H<'d, 'e>: for<'f> I<'d, 'f, 'e> + 'd {}
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fn foo2<T>()
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where
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T: for<'g> H<'g, 'g, As: for<'h> H<'h, 'g> + 'g>,
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{
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}
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fn foo3<T>()
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where
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T: for<'i> H<'i, 'i, As: for<'j> H<'j, 'i, As: for<'k> I<'i, 'k, 'j> + 'j> + 'i>,
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{
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}
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fn foo4<T>()
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where
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T: for<'l, 'i> H<'l, 'i, As: for<'j> H<'j, 'i, As: for<'k> I<'l, 'k, 'j> + 'j> + 'i>,
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{
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}
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struct X<'x, 'y> {
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x: std::marker::PhantomData<&'x ()>,
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y: std::marker::PhantomData<&'y ()>,
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}
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fn foo5<T>()
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where
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T: for<'l, 'i> H<'l, 'i, As: for<'j> H<'j, 'i, As: for<'k> H<'j, 'k, As = X<'j, 'k>> + 'j> + 'i>
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{
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}
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fn main() {}
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