From 4af3ded113719f61b7249a33358af01568098c5c Mon Sep 17 00:00:00 2001
From: siddharth <s@ricketyspace.net>
Date: Sun, 6 Jun 2021 15:29:19 -0400
Subject: lib: add `ByteIsUpper`

---
 lib/byte.go | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/lib/byte.go b/lib/byte.go
index a29a7b0..68d07bf 100644
--- a/lib/byte.go
+++ b/lib/byte.go
@@ -32,3 +32,10 @@ func BytesInCommon(bbytes [][]byte) []byte {
 	}
 	return common
 }
+
+func ByteIsUpper(b byte) bool {
+	if 'A' <= b && b <= 'Z' {
+		return true
+	}
+	return false
+}
-- 
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