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Don't define Array#sum if already defined. Fixes #58 #65

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Oct 2, 2017
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Don't define Array#sum if already defined. Fixes #58 #65

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6 changes: 4 additions & 2 deletions lib/statsample.rb
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Original file line number Diff line number Diff line change
Expand Up @@ -54,8 +54,10 @@ def include_aliasing(m, suffix = 'ruby')
end

class Array
def sum
inject(:+)
unless method_defined?(:sum)
def sum
inject(:+)
end
end

def mean
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