From d928e1126e6c5e8f45cc020249c3652d999f7569 Mon Sep 17 00:00:00 2001
From: rsiddharth <s@ricketyspace.net>
Date: Sun, 20 Dec 2020 20:59:24 -0500
Subject: lib/str: add NumToChar

---
 lib/str.go | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/lib/str.go b/lib/str.go
index 0191806..3c768ff 100644
--- a/lib/str.go
+++ b/lib/str.go
@@ -82,3 +82,11 @@ func isAlphaPunch(c byte) bool {
 	}
 	return false
 }
+
+func NumToChar(n int64) byte {
+	if 0 <= n && n <= 9 {
+		return byte(48 + n)
+	}
+	return 0
+}
+
-- 
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