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1 | // Copyright 2012 The Rust Project Developers. See the COPYRIGHT |
2 | // file at the top-level directory of this distribution and at | |
3 | // http://rust-lang.org/COPYRIGHT. | |
4 | // | |
5 | // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or | |
6 | // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license | |
7 | // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your | |
8 | // option. This file may not be copied, modified, or distributed | |
9 | // except according to those terms. | |
10 | ||
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11 | // Issue #2263. |
12 | ||
13 | // Here, `f` is a function that takes a pointer `x` and a function | |
14 | // `g`, where `g` requires its argument `y` to be in the same region | |
15 | // that `x` is in. | |
c34b1796 AL |
16 | // pretty-expanded FIXME #23616 |
17 | ||
18 | fn has_same_region(f: Box<for<'a> FnMut(&'a isize, Box<FnMut(&'a isize)>)>) { | |
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19 | // `f` should be the type that `wants_same_region` wants, but |
20 | // right now the compiler complains that it isn't. | |
21 | wants_same_region(f); | |
22 | } | |
23 | ||
c34b1796 | 24 | fn wants_same_region(_f: Box<for<'b> FnMut(&'b isize, Box<FnMut(&'b isize)>)>) { |
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25 | } |
26 | ||
27 | pub fn main() { | |
28 | } |