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-rw-r--r--include/libcamera/base/utils.h4
1 files changed, 3 insertions, 1 deletions
diff --git a/include/libcamera/base/utils.h b/include/libcamera/base/utils.h
index 07685045..52301254 100644
--- a/include/libcamera/base/utils.h
+++ b/include/libcamera/base/utils.h
@@ -16,6 +16,7 @@
#include <string>
#include <string.h>
#include <sys/time.h>
+#include <type_traits>
#include <utility>
#include <vector>
@@ -84,7 +85,8 @@ std::basic_ostream<char, std::char_traits<char>> &
operator<<(std::basic_ostream<char, std::char_traits<char>> &stream, const _hex &h);
#endif
-template<typename T>
+template<typename T,
+ std::enable_if_t<std::is_integral<T>::value> * = nullptr>
_hex hex(T value, unsigned int width = 0);
#ifndef __DOXYGEN__