go template binding constant array values

Question

I am very new to go template; Can I know how I can bind an array with some constant values

I had tried below options; but not worked

{{ $groups := {"a", "b", "c"} }}
{{ $groups := ["a", "b", "c"] }}
{{ $groups := ("a", "b", "c") }}

user5728991 · Accepted Answer · 2016-07-14 01:52:13Z

3

Templates do not support composite literal syntax for arrays or slices.

You can use a custom template function that returns its variadic arguments as a slice.

Here's the function:

func slice(v ...interface{}) []interface{} {
  return v
}

Add the function to the template's map before parsing:

 template.New("").Funcs(template.FuncMap{"slice": slice}).Parse(data)

Use it like this:

  {{$groups := slice "a" "b" "c"}}

answered Jul 14, 2016 at 1:52

user5728991

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