diff --git a/src/data/mod.rs b/src/data/mod.rs
index c62797e..0b2734d 100644
--- a/src/data/mod.rs
+++ b/src/data/mod.rs
@@ -4,12 +4,12 @@ pub mod id;
 mod record;
 pub mod table;
 
+use super::Message;
 use std::{
     collections::BTreeMap,
-    sync::mpsc::{Receiver, Sender, channel},
+    sync::mpsc::{channel, Receiver, Sender},
     thread::spawn,
 };
-use super::Message;
 use uuid::Uuid;
 
 #[derive(PartialEq, Eq, Hash, PartialOrd, Ord, Clone, Debug)]
diff --git a/src/lib.rs b/src/lib.rs
index 0c8c0e1..a6e2fa7 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -13,6 +13,47 @@ use std::sync::mpsc::{channel, Sender};
 
 struct Request;
 
+enum Field {
+    Static(String),
+}
+
+impl From<String> for Field {
+    fn from(value: String) -> Self {
+        Field::Static(value)
+    }
+}
+
+impl From<&str> for Field {
+    fn from(value: &str) -> Self {
+        Field::Static(value.to_string())
+    }
+}
+
+#[cfg(test)]
+mod fields {
+    use super::*;
+
+    #[test]
+    fn string_to_field() {
+        let entries = ["test1".to_string(), "test2".to_string()];
+        for data in entries {
+            match data.clone().into() {
+                Field::Static(result) => assert_eq!(result, data),
+            }
+        }
+    }
+
+    #[test]
+    fn str_to_field() {
+        let entries = ["test1", "test2"];
+        for data in entries {
+            match data.into() {
+                Field::Static(result) => assert_eq!(result, data),
+            }
+        }
+    }
+}
+
 struct Record;
 
 struct Response {
@@ -32,7 +73,10 @@ impl Response {
         0
     }
 
-    fn add_header<S>(&mut self, name: S) where S: Into<String> {
+    fn add_header<S>(&mut self, name: S)
+    where
+        S: Into<String>,
+    {
         self.headers.push(name.into());
     }
 }