21 lines
692 B
Rust
21 lines
692 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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use std::env::*;
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fn main() {
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for (k, v) in vars_os() {
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let v2 = var_os(&k);
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assert!(v2.as_ref().map(|s| &**s) == Some(&*v),
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"bad vars->var transition: {:?} {:?} {:?}", k, v, v2);
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}
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}
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