Document defimpl for multiple types (#6799)
Document defimpl for multiple types (#6799)


joshprice/elixir,michalmuskala/elixir,pedrosnk/elixir,antipax/elixir,lexmag/elixir,kimshrier/elixir,kelvinst/elixir,beedub/elixir,kelvinst/elixir,beedub/elixir,ggcampinho/elixir,lexmag/elixir,gfvcastro/elixir,ggcampinho/elixir,kimshrier/elixir,elixir-lang/elixir,antipax/elixir,gfvcastro/elixir,pedrosnk/elixir