diff --git a/cmd/helpers.go b/cmd/helpers.go
index 726e966..0031ea8 100644
--- a/cmd/helpers.go
+++ b/cmd/helpers.go
@@ -2,6 +2,10 @@ package main
 
 import "slices"
 
+type character interface {
+	int | rune
+}
+
 // Returns all elements in slice A that are NOT in slice B
 func setDifference[T comparable](s1 []T, s2 []T) []T {
 	toReturn := make([]T, 0, len(s1))
@@ -12,3 +16,12 @@ func setDifference[T comparable](s1 []T, s2 []T) []T {
 	}
 	return toReturn
 }
+
+// Generate numbers in a range - start (inclusive) to end (exclusive)
+func genRange[T character](start, end T) []T {
+	toRet := make([]T, end-start)
+	for i := start; i < end; i++ {
+		toRet[i-start] = i
+	}
+	return toRet
+}
diff --git a/greg/misc.go b/greg/misc.go
index e310043..2dd28ca 100644
--- a/greg/misc.go
+++ b/greg/misc.go
@@ -97,19 +97,12 @@ func Reduce[T any](slc []T, fn func(T, T) T) T {
 	return slc[0]
 }
 
-// Generate numbers in a range - start (inclusive) to end (exclusive)
-func genRange[T character](start, end T) []T {
-	toRet := make([]T, end-start)
-	for i := start; i < end; i++ {
-		toRet[i-start] = i
-	}
-	return toRet
-}
-
 // Generate numbers in a range - start to end (both inclusive)
 func genRangeInclusive[T character](start, end T) []T {
-	toRet := genRange(start, end)
-	toRet = append(toRet, end)
+	toRet := make([]T, end-start)
+	for i := start; i <= end; i++ {
+		toRet[i-start] = i
+	}
 	return toRet
 }