Sha256: dbf684d338fe97e678ca193ebaaa32026b671e46044677003d3221133ef4a7d9
Contents?: true
Size: 277 Bytes
Versions: 7
Compression:
Stored size: 277 Bytes
Contents
module Enumerable
# Uses #+ to sum the enumerated elements.
#
# [1,2,3].sum #=> 6
# [3,3,3].sum #=> 9
def sum(identity = 0, &block)
if block_given?
map(&block).sum
else
inject{ |sum, element| sum + element } || identity
end
end
end
Version data entries
7 entries across 7 versions & 2 rubygems