Reduced size by 22 bytes by removing writeEmptyArray() and writeEmptyObject()

include/ArduinoJson/Internals/JsonWriter.hpp

@@ -30,11 +30,9 @@ class JsonWriter {
 
   void beginArray() { write('['); }
   void endArray() { write(']'); }
-  void writeEmptyArray() { write("[]"); }
 
   void beginObject() { write('{'); }
   void endObject() { write('}'); }
-  void writeEmptyObject() { write("{}"); }
 
   void writeColon() { write(':'); }
   void writeComma() { write(','); }

src/JsonArray.cpp

@@ -44,12 +44,10 @@ JsonObject &JsonArray::createNestedObject() {
 }
 
 void JsonArray::writeTo(JsonWriter &writer) const {
-  node_type *child = _firstNode;
-
-  if (child) {
   writer.beginArray();
 
-    for (;;) {
+  const node_type *child = _firstNode;
+  while (child) {
     child->content.writeTo(writer);
 
     child = child->next;
@@ -59,7 +57,4 @@ void JsonArray::writeTo(JsonWriter &writer) const {
   }
 
   writer.endArray();
-  } else {
-    writer.writeEmptyArray();
-  }
 }

src/JsonObject.cpp

@@ -68,12 +68,10 @@ JsonObject::node_type *JsonObject::getNodeAt(const char *key) const {
 }
 
 void JsonObject::writeTo(JsonWriter &writer) const {
-  node_type *node = _firstNode;
-
-  if (node) {
   writer.beginObject();
 
-    for (;;) {
+  const node_type *node = _firstNode;
+  while (node) {
     writer.writeString(node->content.key);
     writer.writeColon();
     node->content.value.writeTo(writer);
@@ -85,7 +83,4 @@ void JsonObject::writeTo(JsonWriter &writer) const {
   }
 
   writer.endObject();
-  } else {
-    writer.writeEmptyObject();
-  }
 }