More helpful deprecation warning for piping into unary operator.
More helpful deprecation warning for piping into unary operator.

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