From 9620d8922b67c3d355deb1988898995dab86cea3 Mon Sep 17 00:00:00 2001
From: burivuh <burivuh@maps.me>
Date: Wed, 11 Sep 2019 17:13:58 +0300
Subject: [PATCH] fix for first pair of None events for a dict event

---
 snippets/c_api/iterate_events.cc | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/snippets/c_api/iterate_events.cc b/snippets/c_api/iterate_events.cc
index ccbf186..10474f4 100644
--- a/snippets/c_api/iterate_events.cc
+++ b/snippets/c_api/iterate_events.cc
@@ -132,7 +132,8 @@ processed on the Python side as lists of pairs while converting them to dicts.
 */
 std::vector<char const *> getPairs(std::map<std::string, std::string> const & eventPairs)
 {
-  std::vector<char const *> pairs(eventPairs.size() * 2);
+  std::vector<char const *> pairs;
+  pairs.reserve(eventPairs.size() * 2);
 
   for (auto const & kp : eventPairs)
   {