don't actually need to store passes in the first go-round

05/main.go

@@ -54,18 +54,10 @@ func partOne() {
 	reader := bufio.NewReader(f)
 	scanner := bufio.NewScanner(reader)
 
-	passes := []boardingPass{}
 	maxID := 0
-
 	for scanner.Scan() {
 		line := scanner.Text()
 		row, column := parsePassID(line)
-		passes = append(passes, boardingPass{
-			passID: line,
-			row:    row,
-			seat:   column,
-			id:     (row * 8) + column,
-		})
 		if (row*8)+column > maxID {
 			maxID = (row * 8) + column
 		}