Optimize Enum.join/2 with empty string (#9697)
Optimize Enum.join/2 with empty string (#9697)


michalmuskala/elixir,pedrosnk/elixir,joshprice/elixir,kimshrier/elixir,elixir-lang/elixir,ggcampinho/elixir,kelvinst/elixir,kimshrier/elixir,ggcampinho/elixir,kelvinst/elixir,pedrosnk/elixir