| // Copyright 2017 The Rust Project Developers. See the COPYRIGHT |
| // file at the top-level directory of this distribution and at |
| // http://rust-lang.org/COPYRIGHT. |
| // |
| // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or |
| // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license |
| // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your |
| // option. This file may not be copied, modified, or distributed |
| // except according to those terms. |
| |
| #![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() {} |