From: Amir Ebrahimifard <amiref@...>
Date: 2010-08-07T18:22:06+09:00
Subject: A problem with "puts"

Hi
Considering that , "puts" always return "nil" why in below code the
highlighted part of code just print the contents of
"first,second,third,forth" variable ? for example content of "first"
variable is "nil" and when we type "puts first" ruby must execute 2
times "nil" .

def test1 number
 puts "test1"*number
end

def test2 number
 "test2"*number
end


def test3 number
 "test3"*number
 puts "test3"*number
end


def test4 number
 puts "test4"*number
 "test4"*number
end

puts "-------------------1-------------------"

first=test1(1)
second=test2(2)
third=test3(3)
forth=test4(4)

puts "-------------------2-------------------"

first
second
third
forth

puts "-------------------3-------------------"

**************
puts first   *
puts second  *  <= This is highlighted part of code
puts third   *
puts forth   *
**************
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