From 0ddc7a0c253136326ab5af6fe3202d959995df96 Mon Sep 17 00:00:00 2001
From: Guillaume Marcais <gmarcais@umd.edu>
Date: Thu, 10 Sep 2015 17:25:38 -0400
Subject: [PATCH] Fixed empty default argument bug.

---
 lib/yaggo/dsl.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/yaggo/dsl.rb b/lib/yaggo/dsl.rb
index 552bb12..d897822 100644
--- a/lib/yaggo/dsl.rb
+++ b/lib/yaggo/dsl.rb
@@ -86,7 +86,7 @@ def default_val(val, type, *argv)
   when :string, :c_string
     "\"#{val || $type_default[type]}\""
   when :uint32, :uint64, :int32, :int64, :int, :long, :double
-    "(#{$type_to_C_type[type]})#{val}"
+    val ? "(#{$type_to_C_type[type]})#{val}" : $type_default[type]
   else
     val.to_s || $type_default[type]
   end