error C2678 binary '<' : no operator found for map<std::string, shared_ptr<Foo>>
2014-03-20 14:07
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How can I resolve the following compiler error:
显式include string，在map前面
xstddef(180): error C2678: binary '<' : no operator found which takes a left-hand operand of type 'const std::string' (or there is no acceptable conversion) tuple(572): could be 'bool std::operator <(const std::tuple<> &,const std::tuple<> &)' while trying to match the argument list '(const std::string, const std::string)' xstddef(179) : while compiling class template member function 'bool std::less<_Ty>::operator ()(const _Ty &,const _Ty &) const' with [
显式include string，在map前面
#include <string> // <== IN PARTICULAR THIS ONE #include <map>
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