如何在Golang中为HTML <select>元素设置默认值？

Question

I want use a default value for a specific item in a list. I tried the following code but I got an error of "unexpected "=" in operand " How can I handle this problem?

<select name="location_id">
    {{ range .LocationList}}
        <option value="{{ .Id }}" {{if .Name == .CurrentLocation}}selected{{end}}>{{ .Name }}</option>
    {{ end }} 
</select>