Class: Dry::Logic::Result

Inherits:
Object
  • Object
show all
Includes:
Core::Constants
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.



24
25
26
27
28
 
# File 'lib/dry/logic/result.rb', line 24

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.



20
21
22
 
# File 'lib/dry/logic/result.rb', line 20

def id
  @id
end

#serializer ⇒ Object (readonly)

Returns the value of attribute serializer.



22
23
24
 
# File 'lib/dry/logic/result.rb', line 22

def serializer
  @serializer
end

#success ⇒ Object (readonly)

Returns the value of attribute success.



18
19
20
 
# File 'lib/dry/logic/result.rb', line 18

def success
  @success
end

Instance Method Details

#ast(input = Undefined) ⇒ Object 



42
43
44
 
# File 'lib/dry/logic/result.rb', line 42

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

#failure? ⇒ Boolean

Returns:

  • (Boolean) 


34
35
36
 
# File 'lib/dry/logic/result.rb', line 34

def failure?
  !success?
end

#success? ⇒ Boolean

Returns:

  • (Boolean) 


30
31
32
 
# File 'lib/dry/logic/result.rb', line 30

def success?
  success
end

#to_ast ⇒ Object 



46
47
48
49
50
51
52
 
# File 'lib/dry/logic/result.rb', line 46

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

#to_s ⇒ Object 



54
55
56
 
# File 'lib/dry/logic/result.rb', line 54

def to_s
  visit(to_ast)
end

#type ⇒ Object 



38
39
40
 
# File 'lib/dry/logic/result.rb', line 38

def type
  success? ? :success : :failure
end