Class: Dry::Logic::Result

Inherits:
Object
  • Object
show all
Defined in:
lib/dry/logic/result.rb

Constant Summary collapse

SUCCESS = 
Class.new {
  def success?
    true
  end

  def failure?
    false
  end
}.new.freeze

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(success, id = nil, &block) ⇒ Result

Returns a new instance of Result.



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# File 'lib/dry/logic/result.rb', line 22

def initialize(success, id = nil, &block)
  @success = success
  @id = id
  @serializer = block
end

Instance Attribute Details

#id ⇒ Object (readonly)

Returns the value of attribute id.



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# File 'lib/dry/logic/result.rb', line 18

def id
  @id
end

#serializer ⇒ Object (readonly)

Returns the value of attribute serializer.



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# File 'lib/dry/logic/result.rb', line 20

def serializer
  @serializer
end

#success ⇒ Object (readonly)

Returns the value of attribute success.



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# File 'lib/dry/logic/result.rb', line 16

def success
  @success
end

Instance Method Details

#ast(input = Undefined) ⇒ Object 



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# File 'lib/dry/logic/result.rb', line 40

def ast(input = Undefined)
  serializer.(input)
end

#failure? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/dry/logic/result.rb', line 32

def failure?
  !success?
end

#success? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/dry/logic/result.rb', line 28

def success?
  success
end

#to_ast ⇒ Object 



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# File 'lib/dry/logic/result.rb', line 44

def to_ast
  if id
    [type, [id, ast]]
  else
    ast
  end
end

#to_s ⇒ Object 



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# File 'lib/dry/logic/result.rb', line 52

def to_s
  visit(to_ast)
end

#type ⇒ Object 



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# File 'lib/dry/logic/result.rb', line 36

def type
  success? ? :success : :failure
end