Added methods AddToMessage() and SetFromMessage() to add the value of the

variant as a field to a message, respectively initialize the variant from
one.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@33901 a95241bf-73f2-0310-859d-f6bbb57e9c96

headers/private/shared/Variant.h

@@ -19,6 +19,9 @@ enum {
 };
 
 
+class BMessage;
+
+
 class BVariant {
 public:
 	inline						BVariant();
@@ -95,6 +98,11 @@ public:
 									// has effect only on scalar types (pointer
 									// counting as scalar, not string, though)
 
+			status_t			AddToMessage(BMessage& message,
+									const char* fieldName) const;
+			status_t			SetFromMessage(const BMessage& message,
+									const char* fieldName);
+
 	static	size_t				SizeOfType(type_code type);
 	static	bool				TypeIsNumber(type_code type);
 	static	bool				TypeIsInteger(type_code type,