tsk-45: Identify type of Song (#48)

Closes #45

Reviewed-on: #48
Co-authored-by: phoenix <kundeng00@pm.me>
Co-committed-by: phoenix <kundeng00@pm.me>

src/detection/song.rs

@@ -20,7 +20,7 @@ pub fn file_type_from_filepath(
 }
 
 /// Gets the file type of a Song given it's data
-pub fn file_type_from_data(data: &Vec<u8>) -> Result<crate::detection::FileType, std::io::Error> {
+pub fn file_type_from_data(data: &[u8]) -> Result<crate::detection::FileType, std::io::Error> {
     match infer::get(data) {
         Some(kind) => {
             let mime = kind.mime_type();