From 587479c28e1af7ddd1f7d3a5a1cea051cf66a77a Mon Sep 17 00:00:00 2001
From: Igor Zarzycki <izarzycki@mailfence.com>
Date: Tue, 17 Sep 2024 12:53:15 +0200
Subject: [PATCH] Make bitWidth function acting on values uniformly callable.

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

diff --git a/include/crap/bit.d/bitwidthvalue.h b/include/crap/bit.d/bitwidthvalue.h
index 0e0e5f7..d1e4d65 100644
--- a/include/crap/bit.d/bitwidthvalue.h
+++ b/include/crap/bit.d/bitwidthvalue.h
@@ -15,6 +15,7 @@
 #include "../numbers.d/zero.h"
 #include "../numeric.d/iotavalue.h"
 #include "../version.d/char8t.h"
+#include "../version.d/libintegralconstantcallable.h"
 #include "../version.d/unicodecharacters.h"
 #endif
 
@@ -49,6 +50,9 @@ namespace crap
   constexpr const static std :: size_t value = iotaValue <bits, std :: size_t> :: template type <sum> :: value;
   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
 }
@@ -61,6 +65,15 @@ typename crap :: bitWidthValue <Type, Value> :: value_type () const noexcept
 {
  return crap :: bitWidthValue <Type, Value> :: value;
 }
+#if (crap_lib_integral_constant_callable >= 201304L)
+
+template <class Type, Type Value>
+inline constexpr typename crap :: bitWidthValue <Type, Value> :: value_type
+crap :: bitWidthValue <Type, Value> :: operator () () const noexcept
+{
+ return crap :: bitWidthValue <Type, Value> :: value;
+}
+#endif
 #endif
 #endif