.. _program_listing_file_lib_utilities_string.ipp:

Program Listing for File string.ipp
===================================

|exhale_lsh| :ref:`Return to documentation for file <file_lib_utilities_string.ipp>` (``lib/utilities/string.ipp``)

.. |exhale_lsh| unicode:: U+021B0 .. UPWARDS ARROW WITH TIP LEFTWARDS

.. code-block:: cpp

   // ---------------------------------------------------------------------
   // This file is part of falcon-core.
   //
   // Copyright (C) 2015, 2016, 2017 Neuro-Electronics Research Flanders
   //
   // Falcon-server is free software: you can redistribute it and/or modify
   // it under the terms of the GNU General Public License as published by
   // the Free Software Foundation, either version 3 of the License, or
   // (at your option) any later version.
   //
   // Falcon-server is distributed in the hope that it will be useful,
   // but WITHOUT ANY WARRANTY; without even the implied warranty of
   // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   // GNU General Public License for more details.
   //
   // You should have received a copy of the GNU General Public License
   // along with falcon-core. If not, see <http://www.gnu.org/licenses/>.
   // ---------------------------------------------------------------------
   
   template <typename T>
   std::string join(const std::vector<T> &s, std::string delim) {
     std::stringstream ss;
   
     for (auto it = s.begin(); it != s.end(); ++it) {
       ss << *it;
       if (std::next(it) != s.end()) {
         ss << delim;
       }
     }
   
     return ss.str();
   }
   
   template <typename T> std::string to_string_n(const T a_value, const int n) {
     std::ostringstream out;
     out << std::fixed << std::setprecision(n) << a_value;
     return out.str();
   }
   
   template <typename T> T from_string(std::string s) {
     std::stringstream ss(s);
     T result;
     ss >> result;
     return result;
   }