blockarg.rb

# blockarg.rb

def sequence2(n, m, c)
  p("Inside sequence2")
  i = 0
  while(i < n)
    yield i*m + c
    i += 1
  end
end

def sequence2a(n, m, c, &p)
  p("Inside sequence2a")
  p(p.class)
  i = 0
  while(i < n)
    yield i*m + c
    i += 1
  end
end


def sequence3(n, m, c, &b)
  p("Inside sequence3")
  p(b.class)
  i = 0
  while(i < n)
    b.call i*m + c
    i += 1
  end
end


def sequence4(n, m, c, b)
  p("Inside sequence4")
  i = 0
  while(i < n)
    b.call i*m + c
    i += 1
  end
end

sequence2(5, 2, 2){|x| puts x}

proc1 = Proc.new {|x| puts x}
puts
sequence2(5, 2, 2, &proc1)

puts
sequence2a(5, 2, 2){|x| puts x}
puts
sequence2a(5, 2, 2, &proc1)

puts
sequence3(5, 2, 2){|x| puts x}
puts
sequence3(5, 2, 2, &proc1)
puts
eltime2 = Time.now.usec
sequence4(6,3,3,proc1)
eltime3 = Time.now.usec
puts("sequence4 elapsed time: #{eltime3 - eltime2}")

Simplified from https://gist.github.com/350693/e8a61cb1b7c65fd5438c323da23bab4ff2a810a9

Replaced Time.now.usec with ruby benchmark module.