Sha256: c52e8b92cc3559d26bf99111b87b9d4b6c71502433724dd4103051fcccfbbebf
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Size: 582 Bytes
Versions: 7
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Contents
module Enumerable
# A small variation of #Inject that save one from having to
# return the aggregating or memo argument.
#
# Say you want to count letters.
#
# some_text.inject!(Hash.new(0)) {|h,l| h[l] += 1}
#
# vs
#
# some_text.inject(Hash.new(0)) {|h,l| h[l] +=1; h}
#
# CREDIT: David Black
# CREDIT: Louis J Scoras
def inject!(s)
k = s
each { |i| yield(k, i) }
k
end
# HERE AS BACKUP, TO ENSURE THE ABOVE HAS THE SAME FUNCTIONALITY.
#def injecting(s)
# inject(s) do |k, i|
# yield(k, i); k
# end
#end
end
Version data entries
7 entries across 7 versions & 2 rubygems