Refinements to use Object#b, Object#to_be and Array#or_be_one

be.rb

module Be
  refine Object do
    def be(or_not_to_be = self, *)
      or_not_to_be
    end

    def to_be(&to)
      to.be(self)
    end
  end

  refine Proc do
    alias_method :be, :call
  end

  refine Method do
    alias_method :be, :call
  end

    refine TrueClass do
    def not_be(so) yield end
    def either(so) so end
    def either_be(so, or_be:) so.be end
  end

  refine FalseClass do
    def not_be(so) so end
    def either(so) yield end
    def either_be(so, or_be:) or_be.be end
  end

  refine Array do
    def or_be_one(&just)
      one? ? just.be(first) : self
    end

    def or_be_none(&just)
      none?.either_be -> { just.be(self) }, or_be: self
    end

    def or_be_any(&just)
      any?.not_be(self) { just.be(self) }
    end

    alias_method :or_just_one, :or_be_one
    alias_method :or_nothing, :or_be_none
    alias_method :or_something, :or_be_any
  end
end