domgetter · November 28, 2015 22:46
diff --git a/riccup.rb b/riccup.rb
 class Integer
  def tags(&block)
    -> {self.times.reduce([]) {|a, i| a << block.yield(i)}}
  end
 end

 class String
  def to_html
    self
  end
 end

 class Proc
  def to_html
    self.call.reduce("") {|str,e| str + e.to_html}
  end
 end

 class Array
  def to_html
    str = ""
    type = self.first
    self[1..-1].each do |child|
      str += child.to_html
    end
    str = "<#{type}>" + str + "</#{type}>"
  end
 end

 [:span, "hello"].to_html
 #=> "<span>hello</span>"

 my_div = [:div, [:ul, 10.tags {[:li, "hello"]}]]
 my_div.to_html
 #=> "<div><ul><li>hello</li><li>hello</li><li>hello</li><li>hello</li><li>hello</li><li>hello</li><li>hello</li><li>hello</li><li>hello</li><li>hello</li></ul></div>"

 [:div,
  10.tags do |num|
    [:span, num.to_s]
  end
 ].to_html
 #=> "<div><span>0</span><span>1</span><span>2</span><span>3</span><span>4</span><span>5</span><span>6</span><span>7</span><span>8</span><span>9</span></div>"

 # Referential transparency!

 two_a = 2.tags {[:a, "google.com"]}
 [:body, two_a].to_html
 #=> "<body><a>google.com</a><a>google.com</a></body>"

 # Now to work on attributes

 # Here's how it should work:
 # [:span, {id: "main", class: "blue"}, "hello"].to_html
 # #=> "<span id='main' class='blue'>hello</span>"
 # But we're not there yet...  Stay tuned!
	class Integer
	def tags(&block)
	-> {self.times.reduce([]) {\|a, i\| a << block.yield(i)}}
	end
	end

	class String
	def to_html
	self
	end
	end

	class Proc
	def to_html
	self.call.reduce("") {\|str,e\| str + e.to_html}
	end
	end

	class Array
	def to_html
	str = ""
	type = self.first
	self[1..-1].each do \|child\|
	str += child.to_html
	end
	str = "<#{type}>" + str + "</#{type}>"
	end
	end

	[:span, "hello"].to_html
	#=> "<span>hello</span>"

	my_div = [:div, [:ul, 10.tags {[:li, "hello"]}]]
	my_div.to_html
	#=> "<div><ul><li>hello</li><li>hello</li><li>hello</li><li>hello</li><li>hello</li><li>hello</li><li>hello</li><li>hello</li><li>hello</li><li>hello</li></ul></div>"

	[:div,
	10.tags do \|num\|
	[:span, num.to_s]
	end
	].to_html
	#=> "<div><span>0</span><span>1</span><span>2</span><span>3</span><span>4</span><span>5</span><span>6</span><span>7</span><span>8</span><span>9</span></div>"

	# Referential transparency!

	two_a = 2.tags {[:a, "google.com"]}
	[:body, two_a].to_html
	#=> "<body><a>google.com</a><a>google.com</a></body>"

	# Now to work on attributes

	# Here's how it should work:
	# [:span, {id: "main", class: "blue"}, "hello"].to_html
	# #=> "<span id='main' class='blue'>hello</span>"
	# But we're not there yet... Stay tuned!