Add missing STL header. (#2107)

Signed-off-by: owent <admin@owent.net>
open-telemetry · Apr 20, 2023 · 7ee86a9 · 7ee86a9
1 parent 82f2828
commit 7ee86a9
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/ext/include/opentelemetry/ext/http/client/curl/http_operation_curl.h b/ext/include/opentelemetry/ext/http/client/curl/http_operation_curl.h
@@ -13,6 +13,7 @@
 #  include <future>
 #endif
 
+#include <functional>
 #include <map>
 #include <regex>
 #include <sstream>