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| author | Michael Thies <mail@mhthies.de> | 2023-08-27 18:58:03 +0200 |
|---|---|---|
| committer | Oliver Reiche <oliver.reiche@huawei.com> | 2023-08-28 18:34:16 +0200 |
| commit | 6db13ba3f77ecf38ec1b54d6607efbb016cefce4 (patch) | |
| tree | 085b73d32d02079ab8df42aa74c08eb32f97cfbf /src/utils/cpp/json.hpp | |
| parent | a8fc8aaa0e4f6f1d8b928829fc19650b28815558 (diff) | |
| download | justbuild-6db13ba3f77ecf38ec1b54d6607efbb016cefce4.tar.gz | |
Add explicit fmt::formatter for nlohmann::basic_json
The formatter is based on fmt's ostream_formatter, using the provided
operator<<(std::ostream&) of nlohmann::basic_json. This is required to
allow compilation against fmt 10.x
(cherry picked from 601d546b8452159c38d65231d52f0dbd05e793d2)
Co-authored-by: Oliver Reiche <oliver.reiche@huawei.com>
Diffstat (limited to 'src/utils/cpp/json.hpp')
| -rw-r--r-- | src/utils/cpp/json.hpp | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/src/utils/cpp/json.hpp b/src/utils/cpp/json.hpp index aed2f3f4..9fd2d66d 100644 --- a/src/utils/cpp/json.hpp +++ b/src/utils/cpp/json.hpp @@ -21,6 +21,7 @@ #include <string> #include <unordered_map> +#include "fmt/ostream.h" #include "gsl/gsl" #include "nlohmann/json.hpp" #include "src/utils/cpp/gsl.hpp" @@ -212,4 +213,10 @@ namespace detail { return old_abbrev; } +// 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 // INCLUDED_SRC_UTILS_CPP_JSON_HPP |