Method: CrossTable::Grouping.sums

Defined in:
lib/cross_table/grouping.rb

.sums(recs, field, group_rules) ⇒ Object 



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# File 'lib/cross_table/grouping.rb', line 29

def sums(recs, field, group_rules)
  group(recs, group_rules) do |group_recs|
    group_recs.map { |r| r[field] }.sum
  end
end