1 files changed, 11 insertions, 0 deletions
diff --git a/common/src/impl.rs b/common/src/impl.rs
new file mode 100644
index 0000000..0808eb8
--- /dev/null
+++ b/common/src/impl.rs
@@ -0,0 +1,11 @@
+use crate::SourceTrackKind;
+
+impl SourceTrackKind {
+    pub fn letter(&self) -> char {
+        match self {
+            SourceTrackKind::Video { .. } => 'v',
+            SourceTrackKind::Audio { .. } => 'a',
+            SourceTrackKind::Subtitles => 's',
+        }
+    }
+}