Switch to go in order to use tcell

util.go

@@ -0,0 +1,27 @@
+package main
+
+import (
+	"unicode/utf8"
+)
+
+func count(s string) int {
+	return utf8.RuneCountInString(s)
+}
+
+func numOccurences(s string, c byte) int {
+	var n int
+	for i := 0; i < len(s); i++ {
+		if s[i] == c {
+			n++
+		}
+	}
+	return n
+}
+
+func emptyString(n int) string {
+	var str string
+	for i := 0; i < n; i++ {
+		str += " "
+	}
+	return str
+}