jackeykong

some errors

11

1. On Windows, there is no 'ssize_t' type. 2. the 'std::string_view' has no begin and end members. ` void push_back_string(int tag, std::string_view s) { push_back_string(tag, s.begin(), s.end()); }`

I looked at the **hello_world** example and saw that mFAST calls also rely on Boost, so it would be inconvenient for my own application to rely on Boost if it...