Hi,

"Dat Nguyen" <thucdat / hotmail.com> wrote

| each_index {...}
| (0..ary.size).each {...}

The "Range" object samples.

ary = ["a", "b", "c"]
ary.each {|e| print e, "\n"}
puts ""
ary.each_index {|i| print i, "\n"}
puts ""
(0...ary.size).each {|i| print i, "\n"}
puts ""
(0..ary.size).each {|i| print i, "\n"}
puts ""

--
  ARIMA Yasuhiro <fit0298 / fitec.co.jp>