From 96a2e495f74ac05d624b68cbe103a4d61210d2b5 Mon Sep 17 00:00:00 2001
From: Igor Zarzycki <izarzycki@mailfence.com>
Date: Tue, 17 Sep 2024 16:03:38 +0200
Subject: [PATCH] Make rotl function acting on values uniformly callable.

---
 include/crap/bit.d/rotlvalue.h | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/include/crap/bit.d/rotlvalue.h b/include/crap/bit.d/rotlvalue.h
index d890c65..8b2ec94 100644
--- a/include/crap/bit.d/rotlvalue.h
+++ b/include/crap/bit.d/rotlvalue.h
@@ -13,6 +13,7 @@
 
 #include "../numbers.d/zero.h"
 #include "../version.d/char8t.h"
+#include "../version.d/libintegralconstantcallable.h"
 #include "../version.d/unicodecharacters.h"
 #endif
 
@@ -50,6 +51,9 @@ namespace crap
   constexpr const static Type value = (left | right);
   using value_type = decltype(value);
   constexpr operator value_type () const noexcept;
+#if (crap_lib_integral_constant_callable >= 201304L)
+  constexpr value_type operator () () const noexcept;
+#endif
  };
 #endif
 }
@@ -62,6 +66,15 @@ typename crap :: rotlValue <N, Type, Value> :: value_type () const noexcept
 {
  return crap :: rotlValue <N, Type, Value> :: value;
 }
+#if (crap_lib_integral_constant_callable >= 201304L)
+
+template <std :: size_t N, class Type, Type Value>
+inline constexpr typename crap :: rotlValue <N, Type, Value> :: value_type
+crap :: rotlValue <N, Type, Value> :: operator () () const noexcept
+{
+ return crap :: rotlValue <N, Type, Value> :: value;
+}
+#endif
 #endif
 #endif