class Array
Public Instance Methods
mean()
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# File lib/straightedge/extend/array.rb, line 16 def mean sum / size end
second()
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# File lib/straightedge/extend/array.rb, line 5 def second; self[1] end
sum(&blk)
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# File lib/straightedge/extend/array.rb, line 8 def sum(&blk) if block_given? map(&blk).sum else inject(&:+) end end
third()
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# File lib/straightedge/extend/array.rb, line 6 def third; self[2] end