Class: Array
- Inherits:
-
Object
- Object
- Array
- 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 |