| // Copyright 2015 The Rust Project Developers. See the COPYRIGHT |
| // file at the top-level directory of this distribution and at |
| // http://rust-lang.org/COPYRIGHT. |
| // |
| // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or |
| // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license |
| // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your |
| // option. This file may not be copied, modified, or distributed |
| // except according to those terms. |
| |
| // ignore-cloudabi no env vars |
| // ignore-wasm32-bare no env vars |
| |
| use std::env::*; |
| |
| fn main() { |
| for (k, v) in vars_os() { |
| let v2 = var_os(&k); |
| assert!(v2.as_ref().map(|s| &**s) == Some(&*v), |
| "bad vars->var transition: {:?} {:?} {:?}", k, v, v2); |
| } |
| } |
