two_types_of_new_lines.rb

require 'ripper'
require 'pp'

code =<<STR
10.times do |n|
  puts n
end
STR

puts code

pp Ripper.lex code

# 10.times do |n|
#   puts n
# end
# [[[1, 0], :on_int, "10"],
#  [[1, 2], :on_period, "."],
#  [[1, 3], :on_ident, "times"],
#  [[1, 8], :on_sp, " "],
#  [[1, 9], :on_kw, "do"],
#  [[1, 11], :on_sp, " "],
#  [[1, 12], :on_op, "|"],
#  [[1, 13], :on_ident, "n"],
#  [[1, 14], :on_op, "|"],
#  [[1, 15], :on_ignored_nl, "\n"],
#  [[2, 0], :on_sp, "  "],
#  [[2, 2], :on_ident, "puts"],
#  [[2, 6], :on_sp, " "],
#  [[2, 7], :on_ident, "n"],
#  [[2, 8], :on_nl, "\n"],
#  [[3, 0], :on_kw, "end"],
#  [[3, 3], :on_nl, "\n"]]

Why ruby has two types of new lines? on_ignored_nl and on_nl?