INNER CODE UNIT · Go

fillDefaults

gopherdata/gophernotes · display.go:301

func fillDefaults(data Data, arg interface{}, s string, b []byte, mimeType string, err error) Data {
	if err != nil {
		return makeDataErr(err)
	}
	if data.Data == nil {
		data.Data = make(MIMEMap)
	}
	// cannot autodetect the mime type of a string
	if len(s) != 0 && len(mimeType) != 0 {
		data.Data[mimeType] = s
	}
	// ensure plain text is set
	if data.Data[MIMETypeText] == "" {
		if len(s) == 0 {
			s = fmt.Sprint(arg)
		}
		data.Data[MIMETypeText] = s
	}

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