(C++) Converting a std::string to an integer

include <string>

include <cassert>


int main()
{
  const std::string myString = "123";
  const int myValue = atoi(myString.c_str());
  assert(myValue == 123);
}

include <cassert>

include <string>

include <boost/lexical_cast.hpp>


int main()
{
  const std::string s = "1234";
  const int i = boost::lexical_cast<int>(s);
  assert(i == 1234);
}

Other code snippets

Other string-to-int conversions

• C++ Builder
•  ?C++ CLX
• C++ VCL

Code links

• ::, scope operator
• #include
• assert
•  ?cassert (header file)
• const
• #include
• int
• main
• return
• std
• std::string
• string
• scope operator, ::
• return