From ee02e7575eff92aa5307bb2a933252ab4b49aa95 Mon Sep 17 00:00:00 2001
From: Aadhavan Srinivasan <aadhavan@twomorecents.org>
Date: Sat, 23 Nov 2024 09:26:27 -0500
Subject: [PATCH] Added function to generate all case variations of a rune

---
 misc.go | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/misc.go b/misc.go
index 7bbb8eb..ac14cc1 100644
--- a/misc.go
+++ b/misc.go
@@ -2,6 +2,7 @@ package main
 
 import (
 	"slices"
+	"unicode"
 )
 
 var whitespaceChars = []rune{' ', '\t', '\n'}
@@ -111,3 +112,12 @@ func genRange(start, end int) []int {
 	}
 	return toRet
 }
+
+// Returns a rune-slice containing all possible cases of the given rune.
+// At the moment, this includes:
+// 1. Upper case
+// 2. Lower case
+// 3. Title case
+func allCases(r rune) []rune {
+	return []rune{unicode.ToLower(r), unicode.ToUpper(r), unicode.ToTitle(r)}
+}