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