Toy example of simpler loop nesting

gistfile1.txt

11:01:47 Temp$ ./nested_each.rb
[["foo\n", "bar", "dummy"], ["another\nline", "ends", "now\nor not?"]]

Now the test...

"foo\n"
"bar"
"dummy"
"another\n"
"line"
"ends"
"now\n"
"or not?"
11:02:51 Temp$

nested_each.rb

require 'pp'

class Object
  # Nest arbitrary methods which receive a block each
  # argument list must at least contain a single mehtod
  # name.
  def nest_each(meth, *a, &b)
    if a.empty?
      send(meth, &b)
    else
      send(meth) do |x|
        x.nest_each(*a, &b)
      end
    end

    self
  end
end


structure = [
  [
    "foo\n", "bar",
    "dummy",
  ],
  [
    "another\nline",
    "ends",
    "now\nor not?",
  ],
]

pp structure

print "\nNow the test...\n\n"

structure.nest_each :each, :each, :each_line do |line|
  p line
end