docs

1 files changed, 4 insertions, 0 deletions

diff --git a/pkg/media/playlist.go b/pkg/media/playlist.go
index 86dcb76..cf8edcf 100644
--- a/pkg/media/playlist.go
+++ b/pkg/media/playlist.go
@@ -1,15 +1,19 @@
 package media
 
+// Playlist holds an array of videos capable of sorting by Timestamp.
 type Playlist []*Video
 
+// Len returns length of array (for sorting).
 func (p Playlist) Len() int {
 	return len(p)
 }
 
+// Swap swaps two values in array by index (for sorting).
 func (p Playlist) Swap(i, j int) {
 	p[i], p[j] = p[j], p[i]
 }
 
+// Less returns true if p[i] Timestamp is after p[j] (for sorting).
 func (p Playlist) Less(i, j int) bool {
 	return p[i].Timestamp.After(p[j].Timestamp)
 }