31 lines
950 B
Rust
31 lines
950 B
Rust
// Copyright 2015 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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// This test ensures that vec.into_iter does not overconstrain element lifetime.
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pub fn main() {
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original_report();
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revision_1();
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revision_2();
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}
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fn original_report() {
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drop(vec![&()].into_iter())
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}
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fn revision_1() {
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// below is what above `vec!` expands into at time of this writing.
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drop(<[_]>::into_vec(::std::boxed::Box::new([&()])).into_iter())
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}
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fn revision_2() {
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drop((match (Vec::new(), &()) { (mut v, b) => { v.push(b); v } }).into_iter())
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}
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