Method Put

src/leveldb/db/dumpfile.cc:77–84

class WriteBatchItemPrinter : public WriteBatch::Handler {
 public:
  void Put(const Slice& key, const Slice& value) override {
    std::string r = "  put '";
    AppendEscapedStringTo(&r, key);
    r += "' '";
    AppendEscapedStringTo(&r, value);
    r += "'\n";
    dst_->Append(r);
  }
  void Delete(const Slice& key) override {
    std::string r = "  del '";
    AppendEscapedStringTo(&r, key);