Class: Array

Inherits:
Object
  • Object
show all
Defined in:
lib/roles_for_dm/strategies/roles_mask.rb

Instance Method Summary collapse

Instance Method Details

#extract(sym) ⇒ Object 



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# File 'lib/roles_for_dm/strategies/roles_mask.rb', line 2

def extract(sym)
  map { |e| e.send(sym) }
end

#mean ⇒ Object 



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# File 'lib/roles_for_dm/strategies/roles_mask.rb', line 10

def mean
  (size > 0) ? sum.to_f / size : 0
end

#sum ⇒ Object 



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# File 'lib/roles_for_dm/strategies/roles_mask.rb', line 6

def sum
  inject( 0 ) { |sum,x| sum+x }
end