`Vector{Bool}` to Int

General Usage
12

The base for loop performs even better if it specializes in the specific case of base 2 numbers

julia> function poly_2_eval(p)
           ex = 0
           for e in p
               ex *= 2
               ex+=e
           end
           ex
       end
poly_2_eval (generic function with 1 method)

julia> @btime poly_2_eval(v)
  15.030 ns (0 allocations: 0 bytes)
221