🏗 replace is_pod by is_trivial

include/nlohmann/detail/output/binary_writer.hpp

@@ -1300,7 +1300,7 @@ class binary_writer
     static CharType to_char_type(std::uint8_t x) noexcept
     {
         static_assert(sizeof(std::uint8_t) == sizeof(CharType), "size of CharType must be equal to std::uint8_t");
-        static_assert(std::is_pod<CharType>::value, "CharType must be POD");
+        static_assert(std::is_trivial<CharType>::value, "CharType must be trivial");
         CharType result;
         std::memcpy(&result, &x, sizeof(x));
         return result;

single_include/nlohmann/json.hpp

@@ -12592,7 +12592,7 @@ class binary_writer
     static CharType to_char_type(std::uint8_t x) noexcept
     {
         static_assert(sizeof(std::uint8_t) == sizeof(CharType), "size of CharType must be equal to std::uint8_t");
-        static_assert(std::is_pod<CharType>::value, "CharType must be POD");
+        static_assert(std::is_trivial<CharType>::value, "CharType must be trivial");
         CharType result;
         std::memcpy(&result, &x, sizeof(x));
         return result;