From 58e77e80a5d7f7a45cfb2a8722f398a36672e44d Mon Sep 17 00:00:00 2001
From: Dave Abrahams <dave@boostpro.com>
Date: Thu, 16 Jan 2003 22:41:25 +0000
Subject: [PATCH] Add test for default-identity version

[SVN r16918]
---
 test/for_each.cpp | 20 +++++++++++++++++---
 1 file changed, 17 insertions(+), 3 deletions(-)

diff --git a/test/for_each.cpp b/test/for_each.cpp
index af53c53..89c710a 100644
--- a/test/for_each.cpp
+++ b/test/for_each.cpp
@@ -30,9 +30,9 @@
 namespace mpl = boost::mpl;
 using mpl::_;
 
-struct printer
+struct type_printer
 {
-    printer(std::ostream& s) : f_stream(&s) {}
+    type_printer(std::ostream& s) : f_stream(&s) {}
     template< typename U > void operator()(mpl::identity<U>)
     {
         *f_stream << typeid(U).name() << '\n';
@@ -42,6 +42,18 @@ struct printer
     std::ostream* f_stream;
 };
 
+struct value_printer
+{
+    value_printer(std::ostream& s) : f_stream(&s) {}
+    template< typename U > void operator()(U x)
+    {
+        *f_stream << x << '\n';
+    }
+
+ private:
+    std::ostream* f_stream;
+};
+
 #ifdef __ICL
 # pragma warning(disable:985)
 #endif
@@ -49,7 +61,7 @@ struct printer
 int main()
 {
     typedef mpl::list<char,short,int,long,float,double> types;
-    mpl::for_each< types,mpl::make_identity<_> >(printer(std::cout));
+    mpl::for_each< types,mpl::make_identity<_> >(type_printer(std::cout));
 
     typedef mpl::range_c<int,0,10> numbers;
     std::vector<int> v;
@@ -65,6 +77,8 @@ int main()
         );
 #endif
 
+    mpl::for_each< numbers >(value_printer(std::cout));
+    
     for (int i = 0; i < v.size(); ++i)
         assert(v[i] == i);