Function ltrim_inplace

src/common/string_utils.cpp:27–31

void to_upper_inplace(std::wstring &s) { std::transform(s.begin(), s.end(), s.begin(), &towupper); }

void ltrim_inplace(std::wstring &s) {
  s.erase(s.begin(), std::find_if(s.begin(), s.end(), [](wchar_t ch) {
    return iswspace(ch) == FALSE;
  }));
}

void rtrim_inplace(std::wstring &s) {
  s.erase(std::find_if(s.rbegin(), s.rend(), [](wchar_t ch) {