feat: added support for lists

tests/test_parser.rs

@@ -2,6 +2,7 @@
 mod test_parser {
     use envkit::parser::parse_bool;
     use envkit::parser::parse_number;
+    use envkit::parser::parse_list;
 
     #[test]
     /// Tests for the `parse_bool` function.
@@ -34,4 +35,18 @@ mod test_parser {
         assert_eq!(parse_number::<f32>("42"), Ok(42_f32));
         assert_eq!(parse_number::<f64>("42"), Ok(42_f64));
     }
+
+    #[test]
+    /// Tests for the `parse_list` function.
+    fn test_parse_list() {
+        let numbers = "1,2,3,4";
+        let names = "Alice, Bob, Charlie";
+        let bools = "true, false, yes, no";
+        let floats = "3.14, 2.718, 1.618";
+
+        assert_eq!(parse_list::<u8>(numbers), Ok(Vec::from([1,2,3,4])));
+        assert_eq!(parse_list::<String>(names), Ok(Vec::from(["Alice".to_string(), "Bob".to_string(), "Charlie".to_string()])));
+        assert_eq!(parse_list::<bool>(bools), Ok(Vec::from([true, false, true, false])));
+        assert_eq!(parse_list::<f64>(floats), Ok(Vec::from([3.14, 2.718, 1.618])));
+    }
 }