| // 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. |
| |
| // Test that `&PrinterSupport`, which is really short for `&'a |
| // PrinterSupport<'b>`, gets properly expanded when it appears in a |
| // closure type. This used to result in messed up De Bruijn indices. |
| |
| // pretty-expanded FIXME #23616 |
| |
| trait PrinterSupport<'ast> { |
| fn ast_map(&self) -> Option<&'ast usize> { None } |
| } |
| |
| struct NoAnn<'ast> { |
| f: Option<&'ast usize> |
| } |
| |
| impl<'ast> PrinterSupport<'ast> for NoAnn<'ast> { |
| } |
| |
| fn foo<'ast, G>(f: Option<&'ast usize>, g: G) where G: FnOnce(&PrinterSupport) { |
| let annotation = NoAnn { f: f }; |
| g(&annotation) |
| } |
| |
| fn main() {} |
