37 lines
918 B
Rust
37 lines
918 B
Rust
// Copyright 2012-2013 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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enum maybe_pointy {
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none,
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p(@mut Pointy),
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}
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struct Pointy {
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a : maybe_pointy,
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d : ~fn() -> uint,
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}
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fn make_uniq_closure<A:Owned + Copy>(a: A) -> ~fn() -> uint {
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let result: ~fn() -> uint = || ptr::to_unsafe_ptr(&a) as uint;
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result
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}
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fn empty_pointy() -> @mut Pointy {
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return @mut Pointy {
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a : none,
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d : make_uniq_closure(~"hi")
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}
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}
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pub fn main() {
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let v = empty_pointy();
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v.a = p(v);
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}
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