Method: CSV::Table#dig

Defined in:
lib/csv/table.rb

#dig(index_or_header, *index_or_headers) ⇒ Object

Extracts the nested value specified by the sequence of index or header objects by calling dig at each step, returning nil if any intermediate step is nil.



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# File 'lib/csv/table.rb', line 1021

def dig(index_or_header, *index_or_headers)
  value = self[index_or_header]
  if value.nil?
    nil
  elsif index_or_headers.empty?
    value
  else
    unless value.respond_to?(:dig)
      raise TypeError, "#{value.class} does not have \#dig method"
    end
    value.dig(*index_or_headers)
  end
end