Module: RedisHash::Enumerators

Extended by:
ActiveSupport::Concern
Included in:
Base
Defined in:
lib/redis_hash/concerns/enumerators.rb

Instance Method Summary collapse

Instance Method Details

#delete_if ⇒ Object 



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# File 'lib/redis_hash/concerns/enumerators.rb', line 12

def delete_if
  return enum_for(__method__) unless block_given?

  each { |field, value| delete(field) if yield(field, value) }

  to_h
end

#keep_if ⇒ Object 



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# File 'lib/redis_hash/concerns/enumerators.rb', line 20

def keep_if
  return enum_for(__method__) unless block_given?

  delete_if { |field, value| !yield(field, value) }
end

#reject!(&block) ⇒ Object 



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# File 'lib/redis_hash/concerns/enumerators.rb', line 26

def reject!(&block)
  return enum_for(__method__) unless block_given?

  original = to_h
  delete_if(&block)
  current = to_h

  (original == current) ? nil : current
end

#select! ⇒ Object 



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# File 'lib/redis_hash/concerns/enumerators.rb', line 36

def select!
  return enum_for(__method__) unless block_given?

  reject! { |*arguments| !yield(*arguments) }
end

#transform_values! ⇒ Object 



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# File 'lib/redis_hash/concerns/enumerators.rb', line 42

def transform_values!
  return enum_for(__method__) unless block_given?

  each { |field, value| store(field, yield(value)) }

  to_h
end