Class: Fried::Schema::Compare

Inherits:
Object
  • Object
show all
Includes:
Typings
Defined in:
lib/fried/schema/compare.rb

Overview

Compares two Struct objects, used for sorting and equality

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Compare

Returns a new instance of Compare.



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# File 'lib/fried/schema/compare.rb', line 14

def initialize
  self.get_attribute = GetAttribute.new
end

Instance Attribute Details

#get_attribute ⇒ Object

Returns the value of attribute get_attribute.



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# File 'lib/fried/schema/compare.rb', line 12

def get_attribute
  @get_attribute
end

Class Method Details

.build ⇒ Object 



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# File 'lib/fried/schema/compare.rb', line 18

def self.build
  new.tap do |instance|
    instance.get_attribute = GetAttribute.build
  end
end

.call(schema, struct, other) ⇒ Object 



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# File 'lib/fried/schema/compare.rb', line 24

def self.call(schema, struct, other)
  instance = build
  instance.(schema, struct, other)
end

Instance Method Details

#call(schema, struct, other) ⇒ Integer?

Returns like ‘<=>` sign.

Parameters:

Returns:

  • (Integer, nil) —

    like ‘<=>` sign



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# File 'lib/fried/schema/compare.rb', line 33

def call(schema, struct, other)
  return nil unless struct.class == other.class
  return nil unless Is[Struct].valid?(struct)
  return nil unless Is[Struct].valid?(other)

  compare(schema, struct, other)
end