Add countrOne function acting on types.

HaxyM · Sep 6, 2024 · 4abef6b · 4abef6b
1 parent 49baba6
commit 4abef6b
Show file tree

Hide file tree

Showing 2 changed files with 21 additions and 0 deletions.
diff --git a/include/crap/bit b/include/crap/bit
@@ -13,6 +13,7 @@
 #include "bit.d/countlonevalue.h"
 #include "bit.d/countlzerotype.h"
 #include "bit.d/countlzerovalue.h"
+#include "bit.d/countronetype.h"
 #include "bit.d/countronevalue.h"
 #include "bit.d/countrzerovalue.h"
 #include "bit.d/hassinglebitvalue.h"

diff --git a/include/crap/bit.d/countronetype.h b/include/crap/bit.d/countronetype.h
@@ -0,0 +1,20 @@
+#ifndef CRAP_BIT_COUNTRONETYPE
+#define CRAP_BIT_COUNTRONETYPE
+
+#include "countronevalue.h"
+#include "../utility.d/typeidentity.h"
+
+#include <type_traits>
+
+namespace crap
+{
+ template <class Type> struct countrOneType;
+
+ template <class Type, Type Value> struct countrOneType<std :: integral_constant<Type, Value> >
+	 : typeIdentity<std :: integral_constant<decltype(countrOneValue <Type, Value> :: value), countrOneValue <Type, Value> :: value> >
+	 {};
+
+ template <class Type> using countrOneType_t = typename countrOneType <Type> :: type;
+}
+#endif
+