From d8e92fd28adcac0209fb477b47401093d4f853be Mon Sep 17 00:00:00 2001
From: Sergey Mudrik <sergey.mudrik@gmail.com>
Date: Mon, 27 Mar 2017 23:34:11 +0300
Subject: [PATCH] Changed doc about Each method

---
 byline.go | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/byline.go b/byline.go
index 7fa1d78..781b52f 100644
--- a/byline.go
+++ b/byline.go
@@ -145,7 +145,8 @@ func (lr *Reader) MapStringErr(filterFn func(string) (string, error)) *Reader {
 	})
 }
 
-// Each - processing each line
+// Each - processing each line.
+// Do not save the value of the byte slice, since it can change in the next filter-steps.
 func (lr *Reader) Each(filterFn func([]byte)) *Reader {
 	return lr.MapErr(func(line []byte) ([]byte, error) {
 		filterFn(line)