lib/impls/reader_iobuf.rb in bychar-2.0.0 vs lib/impls/reader_iobuf.rb in bychar-3.0.0

@@ -8,12 +8,12 @@
     end
     
     # Since you parse char by char, you will be tempted to do it in a tight loop
     # and to call eof? on each iteration. Don't. Instead. allow it to raise and do not check.
     # This takes the profile time down from 36 seconds to 30 seconds for a large file.
-    def read_one_char!
+    def read_one_char
       cache if @buf.eos?
-      raise EOF if @buf.eos?
+      return nil if @buf.eos?
       
       @buf.getch
     end
     
     private
\ No newline at end of file