From 2d69c4db4db25e256c22b8fd544dc7b95d71da9c Mon Sep 17 00:00:00 2001
From: Alexander Kiryukhin <a.kiryukhin@mail.ru>
Date: Fri, 30 Aug 2019 01:26:24 +0300
Subject: Initial

---
 errors.go | 8 ++++++++
 1 file changed, 8 insertions(+)
 create mode 100644 errors.go

(limited to 'errors.go')

diff --git a/errors.go b/errors.go
new file mode 100644
index 0000000..fd57ccc
--- /dev/null
+++ b/errors.go
@@ -0,0 +1,8 @@
+package checksum
+
+import "errors"
+
+var (
+	ErrInvalidNumber   = errors.New("invalid number")   // number contains non numeric symbols
+	ErrInvalidChecksum = errors.New("invalid checksum") // number not correct by luhn algorithm
+)
-- 
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