tsk-76: Cleanup

src/util/mod.rs

@@ -1,4 +1,8 @@
-pub fn concatenate_path(directory: &str, filename: &str, last_index: usize) -> Result<String, std::io::Error> {
+pub fn concatenate_path(
+    directory: &str,
+    filename: &str,
+    last_index: usize,
+) -> Result<String, std::io::Error> {
     if let Some(character) = directory.chars().nth(last_index) {
         let buffer: String = if character != '/' {
             format!("{directory}/")
@@ -8,6 +12,8 @@ pub fn concatenate_path(directory: &str, filename: &str, last_index: usize) -> R
 
         Ok(format!("{buffer}{filename}"))
     } else {
-        Err(std::io::Error::other(crate::constants::error::LAST_CHARACTER_IN_DIRECTORY))
+        Err(std::io::Error::other(
+            crate::constants::error::LAST_CHARACTER_IN_DIRECTORY,
+        ))
     }
 }