Introducing env catcher function

src/environment.rs

@@ -0,0 +1,15 @@
+//! Utility function to deal wit environment variable
+
+use log::error;
+use std::env;
+
+/// Get the environment variiable var_name or panic
+pub fn get_env_variable(var_name: &String) -> String {
+    match env::var(var_name) {
+        Ok(v) => v,
+        Err(_) => {
+            error!(target: "bot_warn_errors", "Failed to fetch the {} environment variable.", var_name);
+            panic!("Exiting...");
+        }
+    }
+}

src/lib.rs

@@ -8,6 +8,7 @@
 
 mod client;
 mod database;
+mod environment;
 pub mod errors;
 
 pub use crate::{