From fe1c21d04d4f2bc1c231ff8f73648b81425b58db Mon Sep 17 00:00:00 2001
From: Maksim Zholudev <maximzms@gmail.com>
Date: Thu, 3 Nov 2011 18:09:32 +0100
Subject: [PATCH] Fix issue 6888.

---
 std/getopt.d | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/std/getopt.d b/std/getopt.d
index 0877f7c1f..1f16d8ce0 100644
--- a/std/getopt.d
+++ b/std/getopt.d
@@ -461,7 +461,7 @@ void handleOption(R)(string option, R receiver, ref string[] args,
             enum isDelegateWithLessThanTwoParameters =
                 is(typeof(receiver) == delegate) &&
                 !is(typeof(receiver("", "")));
-            if (!isDelegateWithLessThanTwoParameters && !val && !incremental) {
+            if (!isDelegateWithLessThanTwoParameters && !(val.length) && !incremental) {
                 // Eat the next argument too.  Check to make sure there's one
                 // to be eaten first, though.
                 enforce(i < args.length,