json-spirit

问题 I can't find this anywhere. I've installed json-spirit on my ubuntu server with apt-get install json-spirit-dev . What linker flag has to be used with g++ to use json-spirit? 回答1: The only library listed in that package is called libjson_spirit.a . You can link with it by adding -ljson_spirit to your linker step. 来源： https://stackoverflow.com/questions/17437893/what-is-the-json-spirit-linker-flag-for-g

问题 I've been shown how to create a jagged multidimensional std::map by using boost::any. However, I'm having trouble setting the values like in this answer. When I use accounts["bank"]["cash"] = 100; gcc gives this error error: no match for ‘operator[]’ in ‘accounts.std::map<_Key, _Tp, _Compare, _Alloc>::operator[]<std::basic_string<char>, boost::any, std::less<std::basic_string<char> >, std::allocator<std::pair<const std::basic_string<char>, boost::any> > >((* & std::basic_string<char>(((const

问题 I'm using JSON Spirit to parse and generate json. I cannot use using namespace json_spirit because another library uses conflicting names. I'm trying to detect the type as specified here of a read message with if(message.type() == obj_type) but the compiler reports error: ‘obj_type’ was not declared in this scope if(stamper_message.type() == obj_type){ ^ note: suggested alternative: In file included from /usr/local/include/json_spirit.h:13:0: /usr/local/include/json_spirit_value.h:32:22: note

问题 How to use json-spirit to read json string in C++? I read the demo code. I find that: const Address addrs[5] = { { 42, "East Street", "Newtown", "Essex", "England" }, { 1, "West Street", "Hull", "Yorkshire", "England" }, { 12, "South Road", "Aberystwyth", "Dyfed", "Wales" }, { 45, "North Road", "Paignton", "Devon", "England" }, { 78, "Upper Street", "Ware", "Hertfordshire", "England" } }; Can I convert a String into a json object? char* jsonStr = "{'name', 'Tom'}"; 回答1: json_spirit provides