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jarmo/block-testing.rb

Created June 12, 2016 10:56
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block-testing.rb
class A
def call
foo do
yield if block_given?
puts "a"
end
end
def foo
yield
puts "foo"
end
end
class B < A
def call
super do
yield if block_given?
puts "b"
end
end
end
class C < B
def call
super do
puts "c"
end
end
end
A.new.call
puts "A"
B.new.call
puts "B"
C.new.call
puts "C"
@jarmo
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jarmo commented Jun 12, 2016 

class A
  def call(&block)
    foo do
      block.call if block
      puts "a"
    end
  end

  def foo(&block)
    block.call
    puts "foo"
  end
end

class B < A
  def call(&block)
    super do
      block.call if block
      puts "b"
    end
  end
end

class C < B
  def call
    super do
      puts "c"
    end
  end
end

A.new.call
puts "A"

B.new.call
puts "B"

C.new.call
puts "C"

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