// 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 or the MIT license // , 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: &[extern fn()] = &[f, f]; // NOTE Why does this not type without the struct? struct S(&fn()); const closures: &[S] = &[S(f), S(f)]; pub fn main() { for bare_fns.each |&bare_fn| { bare_fn() } for closures.each |&closure| { (*closure)() } }