| // Copyright 2013 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. |
| |
| /*! |
| * Try to double-check that const fns have the right size (with or |
| * without dummy env ptr, as appropriate) by iterating a size-2 array. |
| * If the const size differs from the runtime size, the second element |
| * should be read as a null or otherwise wrong pointer and crash. |
| */ |
| |
| fn f() { } |
| const bare_fns: &'static [extern fn()] = &[f, f]; |
| struct S<'self>(&'self fn()); |
| const closures: &'static [S<'static>] = &[S(f), S(f)]; |
| |
| pub fn main() { |
| for bare_fns.each |&bare_fn| { bare_fn() } |
| for closures.each |&closure| { (*closure)() } |
| } |
