Class: Twig::Runtime::EnumerableHash

Inherits:
Object
  • Object
show all
Includes:
Enumerable
Defined in:
lib/twig/runtime/enumerable_hash.rb

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(wrapped) ⇒ EnumerableHash

Returns a new instance of EnumerableHash.



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# File 'lib/twig/runtime/enumerable_hash.rb', line 22

def initialize(wrapped)
  @wrapped = wrapped
end

Class Method Details

.from(object) ⇒ Object 



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# File 'lib/twig/runtime/enumerable_hash.rb', line 12

def self.from(object)
  if object.is_a?(Array)
    new(AutoHash.new.add(*object))
  elsif object.is_a?(Hash)
    new(object.to_h)
  else
    new(object)
  end
end

Instance Method Details

#each ⇒ Object 



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# File 'lib/twig/runtime/enumerable_hash.rb', line 26

def each(...)
  key = 0
  @wrapped&.each do |k, v = MISSING_KEY| # rubocop:disable Style/HashEachMethods
    if v == MISSING_KEY
      yield(key, k)
      key += 1
    else
      yield(k, v)
    end
  end
end

#filter ⇒ Object 



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# File 'lib/twig/runtime/enumerable_hash.rb', line 46

def filter
  self.class.new(super)
end

#keys ⇒ Object 



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# File 'lib/twig/runtime/enumerable_hash.rb', line 42

def keys
  collect { |k, _| k }
end

#values ⇒ Object 



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# File 'lib/twig/runtime/enumerable_hash.rb', line 38

def values
  collect { |_, v| v }
end