Hello, dotenvy!

Reference:
  allan2/dotenvy#134 (comment)

Author: simnalamburt

Cargo.lock

@@ -4,3 +4,4 @@ version = "0.1.0"
 edition = "2021"
 
 [dependencies]
+dotenvy = { git = "https://github.com/allan2/dotenvy.git", version = "0.15.7" }

Cargo.toml

@@ -1,3 +1,9 @@
+use dotenvy::{EnvLoader, EnvSequence};
+
 fn main() {
+    EnvLoader::new().sequence(EnvSequence::EnvOnly).load().unwrap(); // Not panics
+    EnvLoader::new().sequence(EnvSequence::EnvThenInput).load().unwrap(); // Panics
+    EnvLoader::new().sequence(EnvSequence::InputThenEnv).load().unwrap(); // Panics
+    EnvLoader::new().sequence(EnvSequence::InputOnly).load().unwrap(); // Panics
     println!("Hello, world!");
 }