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Created March 7, 2016 18:07
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adding recursively
Raw
recursive_add.rb
ruby -le '
def recurseAdd arr
arr.inject(0) {
|sum, v|
sum += v.is_a?(Array) ? recurseAdd(v) : v
}
end
p recurseAdd([*1..10])
'
55
gregf@jupiter:/var/www/JAVA/dev_hermes_backend/current$ ruby -le '
def recurseAdd arr, sum
arr.each {
|v|
sum += v.is_a?(Array) ? recurseAdd(v,sum) : v
}
sum
end
p recurseAdd([*1..10], 0)
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