Improve comments in code

[rbdr/lyricli] / Sources / arguments_source.swift

diff --git a/Sources/arguments_source.swift b/Sources/arguments_source.swift
index c07c9522102cb8a125c6dfcd35009f50fad094e9..9615318d4037f63b000a8d6561648daa0a6075a9 100644 (file)
--- a/Sources/arguments_source.swift
+++ b/Sources/arguments_source.swift
@@ -1,17 +1,18 @@
-/// Source that deals with command line
+// Source that reads track artist and name from the command line
 class ArgumentsSource: Source {
-    public var currentTrack: Track? {
-        get {
-            if CommandLine.arguments.count >= 3 {
 
-                // expected usage: $ ./lyricli <artist> <name>
+    // Returns a track based on the arguments. It assumes the track artist
+    // will be the first argument, and the name will be the second, excluding
+    // any flags.
+    var currentTrack: Track? {
 
-                let trackName: String = CommandLine.arguments[2]
-                let trackArtist: String = CommandLine.arguments[1]
+        if CommandLine.arguments.count >= 3 {
+            // expected usage: $ ./lyricli <artist> <name>
+            let trackName: String = CommandLine.arguments[2]
+            let trackArtist: String = CommandLine.arguments[1]
 
-                return Track(withName: trackName, andArtist: trackArtist)
-            }
-            return nil
+            return Track(withName: trackName, andArtist: trackArtist)
         }
+        return nil
     }
 }