| // Copyright 2014 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. |
| |
| trait ListItem<'a> { |
| fn list_name() -> &'a str; |
| } |
| |
| trait Collection { fn len(&self) -> usize; } |
| |
| // is now well formed. RFC 2093 |
| struct List<'a, T: ListItem<'a>> { |
| slice: &'a [T] |
| } |
| |
| impl<'a, T: ListItem<'a>> Collection for List<'a, T> { |
| fn len(&self) -> usize { |
| 0 |
| } |
| } |
| |
| struct Foo<T> { |
| foo: &'static T |
| //~^ ERROR may not live long enough |
| } |
| |
| trait X<K>: Sized { |
| fn foo<'a, L: X<&'a Nested<K>>>(); |
| //~^ ERROR may not live long enough |
| |
| // check that we give a sane error for `Self` |
| fn bar<'a, L: X<&'a Nested<Self>>>(); |
| //~^ ERROR may not live long enough |
| |
| // check that we give a sane error for nested generics |
| fn baz<'a, L, M: X<&'a Nested<L>>>() { |
| //~^ ERROR may not live long enough |
| } |
| } |
| |
| trait TraitB {} |
| |
| struct Nested<K>(K); |
| impl<K> Nested<K> { |
| fn generic_in_parent<'a, L: X<&'a Nested<K>>>() { |
| //~^ ERROR may not live long enough |
| } |
| fn generic_in_child<'a, 'b, L: X<&'a Nested<M>>, M: 'b>() { |
| //~^ ERROR may not live long enough |
| } |
| } |
| |
| fn main() {} |