
c++ - How can I trim a std::string? - Stack Overflow
return s; } // Trim from both ends (copying) inline std::string trim_copy(std::string s) { trim(s); return s; } For C++03 To address some comments about accepting a parameter by reference, modifying and …
Are the days of passing const std::string & as a parameter over?
Apr 19, 2012 · The existence of move semantics has eliminated one use case for std::string const& -- if you are planning on storing the parameter, taking a std::string by value is more optimal, as you can …
std::string vs string in c++ - Stack Overflow
Mar 31, 2011 · The full name of string is std::string because it resides in namespace std, the namespace in which all of the C++ standard library functions, classes, and objects reside.
std::string::assign vs std::string::operator= - Stack Overflow
Dec 10, 2015 · std::string str; std::string base="123456789"; // Code before the loop is not measured for (auto _ : state) { str = base; } } BENCHMARK(string_assign_operator); Here is the graphical …
c++ - std::wstring VS std::string - Stack Overflow
Dec 31, 2008 · I am not able to understand the differences between std::string and std::wstring. I know wstring supports wide characters such as Unicode characters. I have got the following questions: …
c++ - std::string formatting like sprintf - Stack Overflow
Feb 26, 2010 · I have to format std::string with sprintf and send it into file stream. How can I do this?
c++ - How is std::string implemented? - Stack Overflow
Sep 23, 2009 · I am curious to know how std::string is implemented and how does it differ from c string?If the standard does not specify any implementation then any implementation with explanation …
Is it possible to use std::string in a constant expression?
There is a way to export transient std::string data outside to make it usable at runtime. You must copy it to std::array, the problem is to compute the final size of std::array, you can either preset some large …
What's the difference between std::string and std::basic_string? And ...
Nov 2, 2009 · A std::string is an instantiation of the std::basic_string template with a type of char. You need both so that you can make strings of things besides char, such a std::basic_string<wchar_t> for …
How do I properly use std::string on UTF-8 in C++?
May 18, 2018 · std::string doesn't "use" any encoding, neither UTF-8 nor EBCDIC. std::string is just a container for bytes of types char. You can put UTF-8 strings in there, or ASCII strings, or EBCDIC …