Golang separating items with comma in template

Question

I am trying to display a list of comma separated values, and don\'t want to display a comma after the last item (or the only item if there is only one).

My code so far:<

Answer 1

Add a template function to do the work for you. strings.Join is perfect for your use case.

Assuming tmpl contains your templates, add the Join function to your template:

tmpl = tmpl.Funcs(template.FuncMap{"StringsJoin": strings.Join})

Template:

Equipment:
    {{ StringsJoin .Equipment ", " }}

Playground

Docs: https://golang.org/pkg/text/template/#FuncMap