X-Git-Url: http://www.git.cypherpunks.ru/?a=blobdiff_plain;f=dot.go;h=050b3500786d13d95227f205fcc1525462b9eee9;hb=b42c8c2dba5ea7667c32681338930969ed5c1cdb;hp=04f329c735d162894b1c67623ea621348d2d0f56;hpb=edb601644735972fac3efcdc27849b5b9b1f5fb7;p=goredo.git

diff --git a/dot.go b/dot.go
index 04f329c..050b350 100644
--- a/dot.go
+++ b/dot.go
@@ -1,5 +1,5 @@
 /*
-goredo -- redo implementation on pure Go
+goredo -- djb's redo implementation on pure Go
 Copyright (C) 2020-2021 Sergey Matveev <stargrave@stargrave.org>
 
 This program is free software: you can redistribute it and/or modify
@@ -20,6 +20,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 package main
 
 import (
+	"errors"
 	"fmt"
 	"io"
 	"os"
@@ -46,7 +47,7 @@ func dotWalker(data map[DotNodes]bool, tgtOrig string) (map[DotNodes]bool, error
 	for {
 		m, err := r.NextMap()
 		if err != nil {
-			if err == io.EOF {
+			if errors.Is(err, io.EOF) {
 				break
 			}
 			return nil, err