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

@@ -12,13 +12,14 @@
     end
 
     # Will transparently read one byte off the contained IO, maintaining the internal cache.
     # If the cache has been depleted it will read a big chunk from the IO and cache it and then
     # return the byte
-    def read_one_char!
+    def read_one_char
       if @pos_in_buf > @maximum_pos
         @buf = @io.read(DEFAULT_BUFFER_SIZE)
-        raise EOF if @buf.nil?
+        
+        return nil if @buf.nil?
       
         @maximum_pos = @buf.length - 1
         @pos_in_buf = 0
       end
     
\ No newline at end of file