1 // Copyright 2020 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4 
5 #include "util/std_util.h"
6 
7 namespace openscreen {
8 
Join(const std::vector<std::string> & strings,const char * delimiter)9 std::string Join(const std::vector<std::string>& strings,
10                  const char* delimiter) {
11   size_t size_to_reserve = 0;
12   for (const auto& piece : strings) {
13     size_to_reserve += piece.length();
14   }
15   std::string out;
16   out.reserve(size_to_reserve);
17   auto it = strings.begin();
18   out += *it;
19   for (++it; it != strings.end(); ++it) {
20     out += delimiter + *it;
21   }
22 
23   return out;
24 }
25 
26 }  // namespace openscreen
27