cpplint

Change-Id: I9635f8eea06d0e30da15344ede32b69035723b35

cpp/src/arrow/ipc/file.cc

@@ -201,8 +201,8 @@ Status FileReader::GetRecordBatch(int i, std::shared_ptr<RecordBatch>* batch) {
   FileBlock block = footer_->record_batch(i);
 
   std::shared_ptr<RecordBatchMetadata> metadata;
-  RETURN_NOT_OK(ReadRecordBatchMetadata(block.offset, block.metadata_length, file_.get(),
-          &metadata));
+  RETURN_NOT_OK(ReadRecordBatchMetadata(
+      block.offset, block.metadata_length, file_.get(), &metadata));
 
   // TODO(wesm): ARROW-388 -- the buffer frame of reference is 0 (see
   // ARROW-384).

cpp/src/arrow/ipc/metadata.cc

@@ -51,9 +51,7 @@ Status WriteSchema(const Schema* schema, std::shared_ptr<Buffer>* out) {
 class Message::MessageImpl {
  public:
   explicit MessageImpl(const std::shared_ptr<Buffer>& buffer, int64_t offset)
-      : buffer_(buffer),
-        offset_(offset),
-        message_(nullptr) {}
+      : buffer_(buffer), offset_(offset), message_(nullptr) {}
 
   Status Open() {
     message_ = flatbuf::GetMessage(buffer_->data() + offset_);

cpp/src/arrow/ipc/metadata.h

@@ -60,7 +60,7 @@ class Message;
 // Container for serialized Schema metadata contained in an IPC message
 class ARROW_EXPORT SchemaMetadata {
  public:
-  SchemaMetadata(const std::shared_ptr<Message>& message);
+  explicit SchemaMetadata(const std::shared_ptr<Message>& message);
 
   // Accepts an opaque flatbuffer pointer
   SchemaMetadata(const std::shared_ptr<Message>& message, const void* schema);
@@ -99,7 +99,7 @@ struct BufferMetadata {
 // Container for serialized record batch metadata contained in an IPC message
 class ARROW_EXPORT RecordBatchMetadata {
  public:
-  RecordBatchMetadata(const std::shared_ptr<Message>& message);
+  explicit RecordBatchMetadata(const std::shared_ptr<Message>& message);
   ~RecordBatchMetadata();
 
   FieldMetadata field(int i) const;