use ronf::{Config, File, FileFormat};
fn main() {
unsafe {
std::env::set_var("KEY", "overwrite");
}
let config = Config::builder()
.add_file(File::new_str(
"test_file",
FileFormat::Json,
"{\"key\": \"value\"}",
))
.build()
.unwrap();
println!("\"key\": {}", config.get("key").unwrap());
}