From 0a249b85fc66e57cabb30ee2c789b1c19134c2f2 Mon Sep 17 00:00:00 2001
From: Parnic <github@parnic.com>
Date: Sun, 12 Jun 2022 23:48:14 -0500
Subject: [PATCH] Use varargs for GetPermutations

---
 days/07.go                | 4 ++--
 utilities/permutations.go | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/days/07.go b/days/07.go
index 42d3503..5ba4c9d 100644
--- a/days/07.go
+++ b/days/07.go
@@ -28,7 +28,7 @@ func (d *Day07) Part1() string {
 	var highestVal int64
 	var highestSequence []int64
 
-	allSequences := utilities.GetPermutations([]int64{0, 1, 2, 3, 4})
+	allSequences := utilities.GetPermutations([]int64{0, 1, 2, 3, 4}...)
 	for _, sequence := range allSequences {
 		if len(sequence) != len(d.amps) {
 			panic("input sequence does not match up to number of amplifiers")
@@ -68,7 +68,7 @@ func (d *Day07) Part2() string {
 	var highestVal int64
 	var highestSequence []int64
 
-	allSequences := utilities.GetPermutations([]int64{5, 6, 7, 8, 9})
+	allSequences := utilities.GetPermutations([]int64{5, 6, 7, 8, 9}...)
 	for _, sequence := range allSequences {
 		if len(sequence) != len(d.amps) {
 			panic("input sequence does not match up to number of amplifiers")
diff --git a/utilities/permutations.go b/utilities/permutations.go
index fa220b3..e2b0b8b 100644
--- a/utilities/permutations.go
+++ b/utilities/permutations.go
@@ -4,7 +4,7 @@ type Permutable interface {
 	~int | ~int8 | ~int16 | ~int32 | ~int64 | ~uint | ~uint8 | ~uint16 | ~uint32 | ~uint64
 }
 
-func GetPermutations[T Permutable](arr []T) [][]T {
+func GetPermutations[T Permutable](arr ...T) [][]T {
 	var helper func([]T, int)
 	res := [][]T{}