From 9541fc6e06d807949170367df605cfd23cbcb46e Mon Sep 17 00:00:00 2001
From: John Maddock <john@johnmaddock.co.uk>
Date: Thu, 28 Mar 2002 12:52:15 +0000
Subject: [PATCH] Added needed dummy constructor - stops some compilers
 complaining about uninitialised const-members

[SVN r13296]
---
 include/boost/concept_check.hpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/include/boost/concept_check.hpp b/include/boost/concept_check.hpp
index 4b820a7..882bd1d 100644
--- a/include/boost/concept_check.hpp
+++ b/include/boost/concept_check.hpp
@@ -353,6 +353,9 @@ struct require_same { typedef T type; };
   template <class Func, class Return, class Arg>
   struct UnaryFunctionConcept
   {
+    // required in case any of our template args are const-qualified:
+    UnaryFunctionConcept();
+    
     void constraints() {
       r = f(arg); // require operator()
     }