Description Inline namespaces do not coexist with C++/CLI. Therefore it would be great, to allow disabling inline namespaces at all. Discussion from Microsoft Developer Community https://developercommunity.visualstudio.com/t/ccli-bug-with-inline-namespaces-header/14964 Reproduction steps Create a pr...

Description Using iteration_proxy_value with ordered_json as shown below fails to compile due to an incomplete type error in iterator set_parents(iterator it, typename iterator::difference_type count_set_parents). The error can be avoided by altering the order of template instantiation by either for...

Description void nlohmann::basic_json<ObjectType, ArrayType, StringType, BooleanType, NumberIntegerType, NumberUnsignedType, NumberFloatType, AllocatorType, JSONSerializer>::assert_invariant() const [with ObjectType = std::map; ArrayType = std::vector; StringType = std::__cxx11::basic_string;...

Description single_include/nlohmann/json_fwd.hpp is not included in include.zip. Would be good to have it there. Reproduction steps Download include.zip and note that the file is missing :) Expected vs. actual results I expected the file to be included. Minimal code example No response Error message...

Description While cross compiling for arm w/ newer versions of g++ INT64_MAX, INT64_MIN, UINT64, INT32_MIN, INT32_MAX, UINT32_MAX aren't defined. I found the following: /* The ISO C99 standard specifies that in C++ implementations these macros should only be defined if explicitly requested. */ #if...

Description When JSON_DIAGNOSTICS defined, the following compilation error appears: execeptions.hpp:119 accumulate is not member of std Reproduction steps #define JSON_DIAGNOSTICS #include "nlohmann/json.hpp" Expected vs. actual results No compilation error should be Minimal code example No response...

Description If I have a class-level 'enum class' then is seems that NLOHMANN_JSON_SERIALIZE_ENUM has no effect (i.e. it's values are still serialized as integers). Reproduction steps compile and run the code example Expected vs. actual results [ [], { "ie": "bar", "oe": "foo" } ] vs [ [], { "ie": 1,...

Description First of all thank you for the great project! I've recently ported the projectGenerator tool to use JSON format to edit an XCode project. The file usually starts with a comment like this: // !$*UTF8*$! and it seems it cause an error in nlohmann json libc++abi: terminating with uncaught...

Description Hello, I have strange behaviour when I try to get a value from a json object. Reproduction steps Just trying de get a reference using operator[] or .at() Expected vs. actual results I expected the actual reference of a value when I do this std::string const &value = obj["key"]; // or...

Description #844 added a debugger visualizer for Visual Studio. #3590 introduced an inline namespace under which the basic_json type now lives. Therefore the type name pattern in the natvis file json/nlohmann_json.natvis Line 3 in 0e61ee8...