Class: Aws::Templates::Utils::Default::Definition::Pair

Inherits:
Aws::Templates::Utils::Default::Definition show all
Defined in:
lib/aws/templates/utils/default.rb

Overview

Definition composition

Pair of definitions which act like one.

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from Aws::Templates::Utils::Default::Definition

empty, from, #merge, #override?, #to_definition

Constructor Details

#initialize(a, b) ⇒ Pair

Returns a new instance of Pair.



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# File 'lib/aws/templates/utils/default.rb', line 178

def initialize(a, b)
  @a = a.to_definition
  @b = b.to_definition
end

Instance Attribute Details

#a ⇒ Object (readonly)

Returns the value of attribute a.



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# File 'lib/aws/templates/utils/default.rb', line 175

def a
  @a
end

#b ⇒ Object (readonly)

Returns the value of attribute b.



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# File 'lib/aws/templates/utils/default.rb', line 176

def b
  @b
end

Class Method Details

.[](a, b) ⇒ Object 



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# File 'lib/aws/templates/utils/default.rb', line 156

def [](a, b)
  return b if b.override? || a.override? || a == Definition.empty
  return a if b.nil? || b == Definition.empty
  _unite(a, b)
end

Instance Method Details

#for(instance) ⇒ Object 



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# File 'lib/aws/templates/utils/default.rb', line 183

def for(instance)
  eval_b = b.for(instance)
  return eval_b if eval_b.override? && !eval_b.nil?
  eval_a = a.for(instance)
  return eval_b if eval_a.override?

  eval_a.to_definition.merge(eval_b).for(instance)
end