Class: ToiletTracker::Core::Result

Inherits:
Data
  • Object
show all
Defined in:
lib/toilet_tracker/core/result.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#error ⇒ Object (readonly)

Returns the value of attribute error

Returns:

  • (Object) —

    the current value of error



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# File 'lib/toilet_tracker/core/result.rb', line 5

def error
  @error
end

#success? ⇒ Object (readonly)

Returns the value of attribute success?

Returns:

  • (Object) —

    the current value of success?



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# File 'lib/toilet_tracker/core/result.rb', line 5

def success?
  @success?
end

#value ⇒ Object (readonly)

Returns the value of attribute value

Returns:

  • (Object) —

    the current value of value



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# File 'lib/toilet_tracker/core/result.rb', line 5

def value
  @value
end

Class Method Details

.failure(error) ⇒ Object 



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# File 'lib/toilet_tracker/core/result.rb', line 10

def self.failure(error)
  new(success?: false, value: nil, error: error)
end

.success(value) ⇒ Object 



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# File 'lib/toilet_tracker/core/result.rb', line 6

def self.success(value)
  new(success?: true, value: value, error: nil)
end

Instance Method Details

#failure? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/toilet_tracker/core/result.rb', line 14

def failure?
  !success?
end

#map ⇒ Object 



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# File 'lib/toilet_tracker/core/result.rb', line 29

def map
  return self if failure?

  begin
    Result.success(yield(value))
  rescue StandardError => e
    Result.failure(e)
  end
end

#then ⇒ Object 



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# File 'lib/toilet_tracker/core/result.rb', line 18

def then
  return self if failure?

  begin
    result = yield(value)
    result.is_a?(Result) ? result : Result.success(result)
  rescue StandardError => e
    Result.failure(e)
  end
end

#value! ⇒ Object 



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# File 'lib/toilet_tracker/core/result.rb', line 39

def value!
  raise error if failure?

  value
end