Reading, fix writing, monocommit

1 files changed, 20 insertions, 9 deletions

diff --git a/src/block/version.rs b/src/block/version.rs
index a5d688d..b785f27 100644
--- a/src/block/version.rs
+++ b/src/block/version.rs
@@ -1,13 +1,24 @@
+use std::fmt;
+
 pub enum Version {
-	Gif87a,
-	Gif89a
+    Gif87a,
+    Gif89a,
 }
 
 impl From<&Version> for &[u8] {
-	fn from(version: &Version) -> Self {
-		match version {
-			Version::Gif87a => b"GIF87a",
-			Version::Gif89a => b"GIF89a"
-		}
-	}
-}
\ No newline at end of file
+    fn from(version: &Version) -> Self {
+        match version {
+            Version::Gif87a => b"GIF87a",
+            Version::Gif89a => b"GIF89a",
+        }
+    }
+}
+
+impl fmt::Display for Version {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        match self {
+            Version::Gif87a => write!(f, "GIF87a"),
+            Version::Gif89a => write!(f, "GIF89a"),
+        }
+    }
+}