class RuboCop::Cop::Style::BlockEndNewline

}
foo(i)
blah { |i|
# good
foo(i) }
blah { |i|
# bad
end
foo(i)
blah do |i|
# good
foo(i) end
blah do |i|
# bad
@example
is on its own line.
This cop checks whether the end statement of a do end blocks

def autocorrect(node) 

def autocorrect(node)
  @corrections << lambda do |corrector|
    indentation = indentation_of_block_start_line(node)
    corrector.insert_before(node.loc.end, "\n" + (' ' * indentation))
  end
end

def indentation_of_block_start_line(node) 

def indentation_of_block_start_line(node)
  match = /\S.*/.match(node.loc.begin.source_line)
  match.begin(0)
end

def on_block(node) 

def on_block(node)
  end_loc = node.loc.end
  do_loc = node.loc.begin # Actually it's either do or {.
  return if do_loc.line == end_loc.line # Ignore one-liners.
  # If the end is on its own line, there is no offense
  return if /^\s*#{end_loc.source}/.match(end_loc.source_line)
  msg = format(MSG, end_loc.line, end_loc.column + 1)
  add_offense(node, end_loc, msg)
end