From 5dbbca882fb67c367e0c8b64ddacd837cec0d3b8 Mon Sep 17 00:00:00 2001
From: Paul Beckingham <paul@beckingham.net>
Date: Mon, 16 Jun 2014 18:42:31 -0400
Subject: [PATCH] Variant

- Updated operator-= to handle trivial values.
---
 src/Variant.cpp | 21 ++++++++++++++-------
 1 file changed, 14 insertions(+), 7 deletions(-)

diff --git a/src/Variant.cpp b/src/Variant.cpp
index 9c864b88d..50769b4d2 100644
--- a/src/Variant.cpp
+++ b/src/Variant.cpp
@@ -1217,13 +1217,20 @@ Variant& Variant::operator-= (const Variant& other)
   case type_real:
     switch (right._type)
     {
-    case type_unknown:  throw std::string ("Cannot subtract unknown type");
-    case type_boolean:  right.cast (type_real); _real -= right._real;     break;
-    case type_integer:  right.cast (type_real); _real -= right._real;     break;
-    case type_real:                             _real -= right._real;     break;
-    case type_string:   throw std::string ("Cannot subtract strings");
-    case type_date:     right.cast (type_real); _real -= right._real;     break;
-    case type_duration: right.cast (type_real); _real -= right._real;     break;
+    case type_unknown:
+      throw std::string ("Cannot subtract unknown type");
+
+    case type_string:
+      throw std::string ("Cannot subtract strings");
+
+    case type_boolean:
+    case type_integer:
+    case type_real:
+    case type_date:
+    case type_duration:
+      right.cast (type_real);
+      _real -= right._real;
+      break;
     }
     break;