[C++] Var length string simplifications and improvements#758

Merged

tmontgomery merged 3 commits intoaeron-io:masterfrom

denizevrenci:var_len_str

Feb 26, 2020

Commits on Feb 26, 2020

[C++] Put std::string to var length string using overload.
denizevrenci
committed
[C++] Add method to put var length string from std::string_view.
denizevrenci
committed
[C++] Check the length passed to put method for var length strings.
denizevrenci
committed