Enhance the guard guide (#5782)
Enhance the guard guide (#5782)

Explain the difference between multiple guard clauses and boolean expression
guards in case of failing expressions.
kelvinst/elixir,lexmag/elixir,joshprice/elixir,antipax/elixir,antipax/elixir,michalmuskala/elixir,lexmag/elixir,elixir-lang/elixir,beedub/elixir,gfvcastro/elixir,kimshrier/elixir,pedrosnk/elixir,beedub/elixir,pedrosnk/elixir,gfvcastro/elixir,ggcampinho/elixir,ggcampinho/elixir,kelvinst/elixir,kimshrier/elixir