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pasikonik/unique_sum_on_hash.rb

Last active April 11, 2019 12:48
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ruby magick
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unique_sum_on_hash.rb
users_summary.group_by { |s| s[:user] }.map do |user, value|
{ user: user, dailySummary: value.inject(0) { |s, h| s + h[:dailySummary] } }
end
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