[C++][Pistache] Use optional when required (#4082)

muttleyxd · etherealjoy · commit 991e0bf82143 · 2019-10-07T12:27:45.000+02:00
* [C++][Pistache] Include pistache/optional only when required

* [C++][Pistache] Update Petstore sample
diff --git a/modules/openapi-generator/src/main/resources/cpp-pistache-server/model-struct-header.mustache b/modules/openapi-generator/src/main/resources/cpp-pistache-server/model-struct-header.mustache
@@ -12,7 +12,7 @@
 {{#imports}}{{{this}}}
 {{/imports}}
 #include <nlohmann/json.hpp>
-#include <pistache/optional.h>
+{{#hasOptional}}#include <pistache/optional.h>{{/hasOptional}}
 
 {{#modelNamespaceDeclarations}}
 namespace {{this}} {
diff --git a/samples/server/petstore/cpp-pistache/.openapi-generator/VERSION b/samples/server/petstore/cpp-pistache/.openapi-generator/VERSION
@@ -1 +1 @@
-4.1.3-SNAPSHOT
+4.2.0-SNAPSHOT
