28 lines
756 B
Rust
28 lines
756 B
Rust
// Copyright 2014 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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pub trait Reader {}
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enum Wrapper<'a> {
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WrapReader(&'a (Reader + 'a))
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}
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trait Wrap<'a> {
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fn wrap(self) -> Wrapper<'a>;
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}
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impl<'a, R: Reader> Wrap<'a> for &'a mut R {
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fn wrap(self) -> Wrapper<'a> {
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Wrapper::WrapReader(self as &'a mut Reader)
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}
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}
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pub fn main() {}
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