Sha256: 3428a4bb130e2acf9e2e59e7951bc1def6be25e09a69241f67cb0b7f5b42e804
Contents?: true
Size: 374 Bytes
Versions: 13
Compression:
Stored size: 374 Bytes
Contents
module Enumerable
# Same as #collect but with an iteration counter.
#
# a = [1,2,3].collect_with_index { |e,i| e*i }
# a #=> [0,2,6]
#
# CREDIT: Gavin Sinclair
def map_with_index
r = []
each_with_index do |e, i|
r << yield(e, i)
end
r
end
# Alias for map_with_index.
alias_method :collect_with_index, :map_with_index
end
Version data entries
13 entries across 12 versions & 2 rubygems