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present: return an error for a bad link instead of panic

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Change-Id: Ic41b2794268b6399bda01febafb85852f6634198
Reviewed-on: https://go-review.googlesource.com/44690
Reviewed-by: Andrew Gerrand <adg@golang.org>
This commit is contained in:
Eyal Posener 2017-06-02 14:28:38 +03:00 committed by Andrew Gerrand
parent b62b8c72b8
commit 92d42b9ff1
1 changed files with 3 additions and 0 deletions
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3
present/link.go
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@ -24,6 +24,9 @@ func (l Link) TemplateName() string { return "link" }
func parseLink(ctx *Context, fileName string, lineno int, text string) (Elem, error) { func parseLink(ctx *Context, fileName string, lineno int, text string) (Elem, error) {
args := strings.Fields(text) args := strings.Fields(text)
if len(args) < 3 {
return nil, fmt.Errorf("link element must have at least 2 arguments")
}
url, err := url.Parse(args[1]) url, err := url.Parse(args[1])
if err != nil { if err != nil {
return nil, err return nil, err