Ruby templates: How to pass variables into inlined ERB?

Question

I have an ERB template inlined into Ruby code:

require \'erb\'

DATA = {
    :a => \"HELLO\",
    :b => \"WORLD\",
}

template = ERB.new <<-EOF
          


        

Answer 1

This article explains this nicely.

http://www.garethrees.co.uk/2014/01/12/create-a-template-rendering-class-with-erb/