add back to display trait for CompressionType

Author: marvin-j97

src/compression.rs

@@ -22,6 +22,21 @@ pub enum CompressionType {
     Lz4,
 }
 
+impl std::fmt::Display for CompressionType {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        write!(
+            f,
+            "{}",
+            match self {
+                Self::None => "none",
+
+                #[cfg(feature = "lz4")]
+                Self::Lz4 => "lz4",
+            }
+        )
+    }
+}
+
 impl Encode for CompressionType {
     fn encode_into<W: Write>(&self, writer: &mut W) -> Result<(), crate::Error> {
         match self {