Class: Statefully::Diff

Inherits:
Object
  • Object
show all
Defined in:
lib/statefully/diff.rb

Defined Under Namespace

Classes: Change, None

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#added ⇒ Object (readonly)

Returns the value of attribute added.



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# File 'lib/statefully/diff.rb', line 6

def added
  @added
end

#changed ⇒ Object (readonly)

Returns the value of attribute changed.



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# File 'lib/statefully/diff.rb', line 6

def changed
  @changed
end

Class Method Details

.create(current, previous) ⇒ Object 



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# File 'lib/statefully/diff.rb', line 8

def self.create(current, previous)
  changes = Builder.new(current, previous).build
  changes.empty? ? None.instance : new(**changes).freeze
end

Instance Method Details

#added?(key) ⇒ Boolean 



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# File 'lib/statefully/diff.rb', line 21

def added?(key)
  added.key?(key)
end

#changed?(key) ⇒ Boolean 



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# File 'lib/statefully/diff.rb', line 25

def changed?(key)
  changed.key?(key)
end

#empty? ⇒ Boolean 



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# File 'lib/statefully/diff.rb', line 13

def empty?
  false
end

#inspect ⇒ Object 



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# File 'lib/statefully/diff.rb', line 17

def inspect
  "<#{self.class.name} #{inspect_details}>"
end