For multiple chains of mutating methods, most likely on Enumerables.

tapper.rb

class Tapper < BasicObject
  def initialize(object) = @object = object

  def method_missing(meth)
    @object.tap(&meth)
    self
  end
end

class Object
  def tapped(&) = Tapper.new(self).then { _1.instance_exec(_1, &) }
end

[].tapped { uniq!.reverse! } # For multiple chains of mutating methods