diff options
Diffstat (limited to 'src/utils/cpp/json.hpp')
| -rw-r--r-- | src/utils/cpp/json.hpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/utils/cpp/json.hpp b/src/utils/cpp/json.hpp index 9fd2d66d..d83f30ed 100644 --- a/src/utils/cpp/json.hpp +++ b/src/utils/cpp/json.hpp @@ -21,6 +21,7 @@ #include <string> #include <unordered_map> +#include "fmt/core.h" #include "fmt/ostream.h" #include "gsl/gsl" #include "nlohmann/json.hpp" @@ -213,10 +214,12 @@ namespace detail { return old_abbrev; } +#if defined(FMT_VERSION) and FMT_VERSION >= 100000 // Use nlohmann::basic_json::operator<<() for formatting via libfmt. // This explicit template specialization seems to be required starting with // libfmt 10.x. template <> struct fmt::formatter<nlohmann::basic_json<>> : ostream_formatter {}; +#endif #endif // INCLUDED_SRC_UTILS_CPP_JSON_HPP |