Update 4-19_handle-binary-files.asciidoc

cloojure · cloojure · commit 651c1d24c20b · 2014-07-21T20:51:11.000-07:00
Calling (count strdata) twice is needless duplication.
diff --git a/04_local-io/4-19_handle-binary-files.asciidoc b/04_local-io/4-19_handle-binary-files.asciidoc
@@ -62,7 +62,7 @@ using an intermediate `ByteBuffer`:
 (defn prepare-string [strdata]
   (let [strlen (count strdata)
         version 66
-        buflen (+ 1 4 (count strdata))
+        buflen (+ 1 4 strlen)
         bb (ByteBuffer/allocate buflen)
         buf (byte-array buflen)]
     (doto bb
