envy_store_example.rs

extern crate envy_store;
#[macro_use]
extern crate serde_derive;
extern crate tokio;

use tokio::runtime::Runtime;

// parameter names map to field names 
#[derive(Deserialize, Debug)]
struct Config {
  foo: String,
  bar: Vec<String>,
  zar: u32,
}

fn main() {
   let mut rt = Runtime::new().expect(
      "failed to initialize runtime"
   );
   let conf = envy_store::from_path::<Config, _>("/demo");
    println!("config {:#?}", rt.block_on(conf))
}