From ed26b39e82cee901c785c13e3d1b669fbb502e14 Mon Sep 17 00:00:00 2001
From: rsiddharth <s@ricketyspace.net>
Date: Sat, 29 Aug 2020 19:54:03 -0400
Subject: lib/xor.go: FixedXOR: add doc string.

---
 lib/xor.go | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lib/xor.go b/lib/xor.go
index 270999c..ae2bd12 100644
--- a/lib/xor.go
+++ b/lib/xor.go
@@ -3,6 +3,7 @@
 
 package lib
 
+// Both 'a' and 'b' must be hex encoded string.
 func FixedXOR(a, b string) string {
 	cs := ""
 	if len(a) != len(b) {
-- 
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