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-rw-r--r--lib/byte.go7
1 files changed, 7 insertions, 0 deletions
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
+}