# Return

class A
  def hello_proc
    a = Proc.new { return 'Hello' }
    a.call

    puts 'PROC'
  end

  def hello_lambda
    a = lambda { return 'Hello' }
    a.call

    puts 'PROC LAMBDA'
  end
end

A.new.hello_proc
A.new.hello_lambda


# Arguments

a = Proc.new { |name, first_name, last_name| puts "Hello #{name}" }
a.call('Dima')


b = lambda { |name, first_name, last_name| puts "Hello #{name}" }
b.call('Dima')


a ||= 2
puts a.object_id

a = 2
puts a.object_id

a ||= 'Hello'
puts a.object_id

a ||= 'Hello'
puts a.object_id