Module: Enumerable

Included in:
ActiveComponent::Base
Defined in:
lib/active_component/core_extensions.rb

Instance Method Summary collapse

Instance Method Details

#find_a(klass) ⇒ Object

Returns the first object of the specified class contained in enumerable



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# File 'lib/active_component/core_extensions.rb', line 65

def find_a(klass)
  each do |e|
    return e if e.is_a? klass
  end
  nil
end

#includes_a?(klass) ⇒ Boolean

Determines if enumerable contains an object of the specified class

Returns:

  • (Boolean) 


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# File 'lib/active_component/core_extensions.rb', line 57

def includes_a?(klass)
  each do |e|
    return true if e.is_a? klass      
  end
  false
end

#transmogrify(*options) ⇒ Object

Transmogrify yields each element to the given block



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# File 'lib/active_component/core_extensions.rb', line 44

def transmogrify(*options)    
  if options.include? :yield_index
    each_with_index do |element, index|
      yield element, index
    end
  else
    each do |element| 
      yield element
    end
  end
end