From: Ben Beltran <redacted>
Date: Fri, 19 May 2017 03:44:25 +0000 (-0500)
Subject: Show the optional arguments
X-Git-Tag: 0.1.0^2~1^2~24
X-Git-Url: https://git.r.bdr.sh/rbdr/lyricli/commitdiff_plain/47f1de79ed1d0007dbba84dc3d511528c7fed3f0

Show the optional arguments
---

diff --git a/Sources/main.swift b/Sources/main.swift
index e4b2760..42d4855 100644
--- a/Sources/main.swift
+++ b/Sources/main.swift
@@ -21,6 +21,21 @@ func createParser() -> ([String:Option], CommandLineKit) {
 
     parser.addOptions(Array(flags.values))
 
+    parser.formatOutput = {parseString, type in
+
+        var formattedString: String
+
+        switch(type) {
+        case .About:
+            formattedString = "\(parseString) [<artist_name> <song_name>]"
+            break
+        default:
+            formattedString = parseString
+        }
+
+        return parser.defaultFormat(formattedString, type: type)
+    }
+
     return (flags, parser)
 }