| // Copyright 2016 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. |
| |
| use std::ops::Deref; |
| |
| struct Obj<F> where F: FnMut() -> u32 { |
| fn_ptr: fn() -> (), |
| closure: F, |
| } |
| |
| struct C { |
| c_fn_ptr: fn() -> (), |
| } |
| |
| struct D(C); |
| |
| impl Deref for D { |
| type Target = C; |
| fn deref(&self) -> &C { |
| &self.0 |
| } |
| } |
| |
| |
| fn empty() {} |
| |
| fn main() { |
| let o = Obj { fn_ptr: empty, closure: || 42 }; |
| let p = &o; |
| p.closure(); //~ ERROR no method named `closure` found |
| let q = &p; |
| q.fn_ptr(); //~ ERROR no method named `fn_ptr` found |
| let r = D(C { c_fn_ptr: empty }); |
| let s = &r; |
| s.c_fn_ptr(); //~ ERROR no method named `c_fn_ptr` found |
| } |
