close file immediately after writing

2021-06-10 23:15:54 +02:00 · 2021-06-10 23:15:54 +02:00 · 73d311d109
commit 73d311d109
parent 01e9a775a7
1 changed files with 1 additions and 0 deletions
--- a/hamilton.go
+++ b/hamilton.go
@ -31,6 +31,7 @@ var step int
 func writeGraphfile(g [][]int, path []int) {
 	filename := fmt.Sprintf("step%07d.dot", step)
 	f, _ := os.Create(filename)
+	defer f.Close()
 	step++
 	fmt.Fprintln(f, "digraph {")
 	fmt.Fprintln(f, "dpi=200")