lib/bindata/io.rb in bindata-2.4.8 vs lib/bindata/io.rb in bindata-2.4.9

@@ -167,24 +167,24 @@
         def read_raw_with_readahead(n)
           data = ""
 
           unless @read_data.empty? || @in_readahead
             bytes_to_consume = [n, @read_data.length].min
-            data << @read_data.slice!(0, bytes_to_consume)
+            data += @read_data.slice!(0, bytes_to_consume)
             n -= bytes_to_consume
 
             if @read_data.empty?
               class << self
                 alias_method :read_raw, :read_raw_without_readahead
               end
             end
           end
 
           raw_data = @raw_io.read(n)
-          data << raw_data if raw_data
+          data += raw_data if raw_data
 
           if @in_readahead
-            @read_data << data
+            @read_data += data
           end
 
           @offset += data.size
 
           data