[Boost-commit] svn:boost r80265 - trunk/libs/proto/example

Subject: [Boost-commit] svn:boost r80265 - trunk/libs/proto/example
From: eric_at_[hidden]
Date: 2012-08-27 17:42:59

Author: eric_niebler
Date: 2012-08-27 17:42:59 EDT (Mon, 27 Aug 2012)
New Revision: 80265
URL: http://svn.boost.org/trac/boost/changeset/80265

Log:
fix example
Text files modified: 
   trunk/libs/proto/example/virtual_member.cpp |    42 ++++++++++++++++++++--------------------
   1 files changed, 21 insertions(+), 21 deletions(-)

Modified: trunk/libs/proto/example/virtual_member.cpp
==============================================================================
--- trunk/libs/proto/example/virtual_member.cpp	(original)
+++ trunk/libs/proto/example/virtual_member.cpp	2012-08-27 17:42:59 EDT (Mon, 27 Aug 2012)
@@ -87,27 +87,7 @@
     }
 
     // Forward declaration for the mini-lambda grammar
-    struct grammar;
-
-    // A callable PolymorphicFunctionObject that evaluates
-    // if/then/else expressions.
-    struct eval_if_else : proto::callable
-    {
-        typedef void result_type;
-
-        template<typename If, typename Then, typename Else, typename Args>
-        void operator()(If const &if_, Then const &then_, Else const &else_, Args const &args) const
-        {
-            if(grammar()(if_, 0, args))
-            {
-                grammar()(then_, 0, args);
-            }
-            else
-            {
-                grammar()(else_, 0, args);
-            }
-        }
-    };
+    struct eval_if_else;
 
     // Forward declaration for the mini-lambda expression wrapper
     template<class E>
@@ -156,6 +136,26 @@
         >
     {};
 
+    // A callable PolymorphicFunctionObject that evaluates
+    // if/then/else expressions.
+    struct eval_if_else : proto::callable
+    {
+        typedef void result_type;
+
+        template<typename If, typename Then, typename Else, typename Args>
+        void operator()(If const &if_, Then const &then_, Else const &else_, Args const &args) const
+        {
+            if(grammar()(if_, 0, args))
+            {
+                grammar()(then_, 0, args);
+            }
+            else
+            {
+                grammar()(else_, 0, args);
+            }
+        }
+    };
+
     // Define the mini-lambda domain, in which all expressions are
     // wrapped in mini_lambda::expression.
     struct domain