class Bmg::Summarizer::Sum
Sum
summarizer.
Example:
# direct ruby usage Bmg::Summarizer.sum(:qty).summarize(...)
Public Instance Methods
_happens(memo, val)
click to toggle source
Keep memo+val as new value
# File lib/bmg/summarizer/sum.rb, line 19 def _happens(memo, val) memo + (val.nil? ? 0 : val) end
least()
click to toggle source
Returns 0 as least value.
# File lib/bmg/summarizer/sum.rb, line 14 def least() 0 end