Envconfig

Build a config structure form environment variables in Rust without boilerplate.

Usage

Let's say you application relies on the following environment variables:

And you want to initialize Config structure like this one:

rust struct Config { host: String, port: u16 }

You can achieve this with the following code without boilerplate:

```rust

[macro_use]

extern crate envconfig_derive; extern crate envconfig;

[derive(Envconfig)]

pub struct Config { #[from="DBHOST"] pub dbhost: String,

#[from="DB_PORT"]
pub db_port: u16

}

// Build Config struct or exit with a meaninful error message. let config = Config::initordie();

// You can also use init, wich returns Result let config = Config::init().unwrap(); ```

Running tests

To prevent flaky tests run them in one thread:

cargo test -p envconfig -- --test-threads=1

License

MIT © Sergey Potapov

Contributors