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28 lines
967 B
Rust
28 lines
967 B
Rust
// run-pass
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#![allow(dead_code)]
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trait Trait<T> {}
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struct Foo<U, V=i32>(U, V) where U: Trait<V>;
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trait Marker {}
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struct TwoParams<T, U>(T, U);
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impl Marker for TwoParams<i32, i32> {}
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// Clauses with more than 1 param are not checked.
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struct IndividuallyBogus<T = i32, U = i32>(TwoParams<T, U>) where TwoParams<T, U>: Marker;
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struct BogusTogether<T = u32, U = i32>(T, U) where TwoParams<T, U>: Marker;
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// Clauses with non-defaulted params are not checked.
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struct NonDefaultedInClause<T, U = i32>(TwoParams<T, U>) where TwoParams<T, U>: Marker;
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struct DefaultedLhs<U, V=i32>(U, V) where V: Trait<U>;
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// Dependent defaults are not checked.
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struct Dependent<T, U = T>(T, U) where U: Copy;
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trait SelfBound<T: Copy=Self> {}
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// Not even for well-formedness.
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struct WellFormedProjection<A, T=<A as Iterator>::Item>(A, T);
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// Issue #49344, predicates with lifetimes should not be checked.
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trait Scope<'a> {}
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struct Request<'a, S: Scope<'a> = i32>(S, &'a ());
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fn main() {}
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