From 2d63694f3155f0031853fe4d4c0cf7046ddc3a4a Mon Sep 17 00:00:00 2001
From: Oliver Sander <sander@dune-project.org>
Date: Wed, 24 Dec 2008 14:31:44 +0000
Subject: [PATCH] Helper templates now in namespace Dune. This fixes FlySpray
entry 392.
[[Imported from SVN: r5399]]
---
common/helpertemplates.hh | 66 +++++++++++++++++++++------------------
1 file changed, 35 insertions(+), 31 deletions(-)
diff --git a/common/helpertemplates.hh b/common/helpertemplates.hh
index f65a1e8f6..2f92627fb 100644
--- a/common/helpertemplates.hh
+++ b/common/helpertemplates.hh
@@ -9,36 +9,40 @@
\brief Compile-time constraint checks from the Stroustrup FAQ
*/
-/**
- Derived_from<A,B>();
-
- or
-
- template<class T> class Container : Derived_from<T,Mybase> {
- ...
- };
- */
-template<class T, class B> struct Derived_from {
- static void constraints(T* p) { B* pb = p; }
- Derived_from() { void (*p)(T*) = constraints; }
-};
-
-/** \todo Please doc me! */
-template<class T1, class T2> struct Can_copy {
- static void constraints(T1 a, T2 b) { T2 c = a; b = a; }
- Can_copy() { void (*p)(T1,T2) = constraints; }
-};
-
-/** \todo Please doc me! */
-template<class T1, class T2 = T1> struct Can_compare {
- static void constraints(T1 a, T2 b) { a==b; a!=b; a<b; }
- Can_compare() { void (*p)(T1,T2) = constraints; }
-};
-
-/** \todo Please doc me! */
-template<class T1, class T2, class T3 = T1> struct Can_multiply {
- static void constraints(T1 a, T2 b, T3 c) { c = a*b; }
- Can_multiply() { void (*p)(T1,T2,T3) = constraints; }
-};
+namespace Dune {
+
+ /**
+ Derived_from<A,B>();
+
+ or
+
+ template<class T> class Container : Derived_from<T,Mybase> {
+ ...
+ };
+ */
+ template<class T, class B> struct Derived_from {
+ static void constraints(T* p) { B* pb = p; }
+ Derived_from() { void (*p)(T*) = constraints; }
+ };
+
+ /** \todo Please doc me! */
+ template<class T1, class T2> struct Can_copy {
+ static void constraints(T1 a, T2 b) { T2 c = a; b = a; }
+ Can_copy() { void (*p)(T1,T2) = constraints; }
+ };
+
+ /** \todo Please doc me! */
+ template<class T1, class T2 = T1> struct Can_compare {
+ static void constraints(T1 a, T2 b) { a==b; a!=b; a<b; }
+ Can_compare() { void (*p)(T1,T2) = constraints; }
+ };
+
+ /** \todo Please doc me! */
+ template<class T1, class T2, class T3 = T1> struct Can_multiply {
+ static void constraints(T1 a, T2 b, T3 c) { c = a*b; }
+ Can_multiply() { void (*p)(T1,T2,T3) = constraints; }
+ };
+
+} // namespace Dune
#endif
--
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