33 lines
874 B
Rust
33 lines
874 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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#![feature(box_syntax)]
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use std::ops::Index;
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struct MyVec<T> {
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data: Vec<T>,
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}
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impl<T> Index<usize> for MyVec<T> {
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type Output = T;
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fn index(&self, i: usize) -> &T {
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&self.data[i]
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}
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}
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fn main() {
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let v = MyVec::<Box<_>> { data: vec!(box 1, box 2, box 3) };
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let good = &v[0]; // Shouldn't fail here
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let bad = v[0];
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//~^ ERROR cannot move out of indexed content
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}
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