Bondo

Deterministic Ruby multi-object "inheritance" (composition) spackle

Advantages

• Dries in minutes
• Easy cleanup
• Add & remove instance methods of an individual object instance... on-the-fly

Installation

gem cert --add <(curl -L https://raw.githubusercontent.com/steakknife/bondo/master/gem-public_cert.pem)
gem install bondo -P HighSecurity

Notes

Conflict-resolution behavior

Default

Last added bondo child object wins (gets called)

Custom

  # call all, first added order
  def foo
    bondo_children.reverse.map { |x| x.foo(*args, &block) }
  end

  # call all, last added order
  def foo(*args, &block)
    bondo_children.map { |x| x.foo(*args, &block) }
  end

  # call child 0 and child 3
  def foo(*args, &block)
    [ bondo_children[0].foo(*args, &block),
      bondo_children[3].foo(*args, &block)  ]
  end

Usage

require 'bondo'

class Bar
  def start
  end
end

class Baz
  def eject
  end
end

class Foo < SomeClass
  include Bondo

  def initialize
    bondo_add Bar.new
    bondo_add Baz.new
  end
end

f = Foo.new
f.stop
f.eject

License

MIT

Copyright

Copyright 2014 Barry Allard