Sha256: 4942299cb1f71ce6e701d567a2c6a664e6ec443b932e1b1ead2318e94021f366
Contents?: true
Size: 280 Bytes
Versions: 16
Compression:
Stored size: 280 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
16 entries across 15 versions & 1 rubygems