remove internal/util

day-06/internal/two/graph.go

@@ -2,8 +2,6 @@ package two
 
 import (
 	"strings"
-
-	"github.com/onyx-and-iris/aoc2024/day-06/internal/util"
 )
 
 type graph struct {
@@ -26,7 +24,7 @@ func (g *graph) valueAt(x, y int) rune {
 func (g *graph) trace(visited map[point]struct{}) string {
 	for loc := range visited {
 		if !(rune(g.data[loc.y][loc.x]) == 'O') {
-			g.data[loc.y] = util.ReplaceAtIndex(g.data[loc.y], '+', loc.x)
+			g.data[loc.y] = replaceAtIndex(g.data[loc.y], '+', loc.x)
 		}
 	}
 

day-06/internal/two/solve.go

@@ -54,8 +54,7 @@ func Solve(buf []byte) (int, error) {
 
 	var numLoops int
 	for range conc {
-		res := <-isLoop
-		if res {
+		if <-isLoop {
 			numLoops++
 		}
 	}