espy/src/tree/common.h

   1 /*------------------------------------------------------------- -*- linux-c -*- *
   2  | Espy                                                                         |
   3  |------------------------------------------------------------------------------|
   4  *------------------------------------------------------------------------------*/
   5
   6 /**
   7  * \file
   8  * Commonly used primitive types and inline functions.
   9  * \author Andrzej Nagórko
  10  */
  11
  12 #ifndef __common__
  13 #define __common__
  14
  15 #include <sstream>
  16
  17 template <class T>
  18 bool from_string(T& t,
  19                  const std::string& s)
  20 {
  21   std::istringstream iss(s);
  22   return !(iss >> std::dec >> t).fail();
  23 }
  24
  25 #endif