Overview

This tiny crate provides the var() function which is the same as std::env::var but the NotPresent variant of VarError provides the name of the missing environment variable:

pub enum VarError { NotPresent(String), NotUnicode(OsString), }

License

Licensed under either of

• Apache License, Version 2.0, (LICENSE-APACHE or http://www.apache.org/licenses/LICENSE-2.0)
• MIT license (LICENSE-MIT or http://opensource.org/licenses/MIT)

at your option.

Contribution

Unless you explicitly state otherwise, any contribution intentionally submitted for inclusion in the work by you, as defined in the Apache-2.0 license, shall be dual licensed as above, without any additional terms or conditions.