More changes

src/song.rs

@@ -111,7 +111,7 @@ impl Song {
         }
 
         let directory = &self.directory;
-        let mut buffer: String = String::from(directory.clone());
+        let mut buffer: String = directory.clone();
         let last_index = directory.len() - 1;
 
         if let Some(character) = directory.chars().nth(last_index) {
@@ -139,7 +139,7 @@ impl Song {
                 let mut buffer: Vec<u8> = Vec::new();
                 file.read_to_end(&mut buffer)?;
 
-                if buffer.len() == 0 {
+                if buffer.is_empty() {
                     Err(std::io::Error::new(
                         std::io::ErrorKind::Other,
                         "File is empty",
@@ -215,7 +215,7 @@ mod embedded {
             }
 
             let directory = &self.directory;
-            let mut buffer: String = String::from(directory.clone());
+            let mut buffer: String = directory.clone();
             let last_index = directory.len() - 1;
 
             if let Some(character) = directory.chars().nth(last_index) {
@@ -243,7 +243,7 @@ mod embedded {
                     let mut buffer: Vec<u8> = Vec::new();
                     file.read_to_end(&mut buffer)?;
 
-                    if buffer.len() == 0 {
+                    if buffer.is_empty() {
                         return Err(std::io::Error::new(
                             std::io::ErrorKind::Other,
                             "File is empty",

src/user.rs

@@ -52,9 +52,9 @@ impl Default for User {
 impl User {
     pub fn to_json(&self, output_pretty: bool) -> Result<String, serde_json::Error> {
         if output_pretty {
-            return serde_json::to_string_pretty(&self);
+            serde_json::to_string_pretty(&self)
         } else {
-            return serde_json::to_string(&self);
+            serde_json::to_string(&self)
         }
     }
 }