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ch5-10: fmt code

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chai2010 2016-01-12 10:21:40 +08:00
parent d7c078a7f2
commit 1c0ac14e5e
1 changed files with 7 additions and 6 deletions
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ch5/ch5-10.md
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@ -47,17 +47,18 @@ func soleTitle(doc *html.Node) (title string, err error) {
}() }()
// Bail out of recursion if we find more than one nonempty title. // Bail out of recursion if we find more than one nonempty title.
forEachNode(doc, func(n *html.Node) { forEachNode(doc, func(n *html.Node) {
if n.Type == html.ElementNode && n.Data == "title" && n.FirstChild != nil { if n.Type == html.ElementNode && n.Data == "title" &&
if title != "" { n.FirstChild != nil {
panic(bailout{}) // multiple titleelements if title != "" {
panic(bailout{}) // multiple titleelements
}
title = n.FirstChild.Data
} }
title = n.FirstChild.Data
}
}, nil) }, nil)
if title == "" { if title == "" {
return "", fmt.Errorf("no title element") return "", fmt.Errorf("no title element")
} }
return title, nil return title, nil
} }
``` ```