output.txt

system ~/work/jruby master 3527% mri31 ../snippets/alias6.rb 
2
{:c=>3}

ruby2_keywords.rb

def bar(a: 1, **k)
  p a, k
end

def foo(*r)
  bar(*r)
end

alias :bar2 :foo
ruby2_keywords :bar2

foo(a: 2, c: 3)