FitnessKeeper/leeroy

Unused block argument - x. If it's necessary, use _ or _x as an argument name to indicate that it won't be used. Also consider using a proc without arguments instead of a lambda if you want it to accept any arguments but don't care about them.

Open

      POLL_CALLBACK = lambda {|x| raise 'this is the default callback, did you forget to set the poll_callback attribute?'}

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# bad

do_something do |used, unused|
  puts used
end

do_something do |bar|
  puts :foo
end

define_method(:foo) do |bar|
  puts :baz
end

#good

do_something do |used, _unused|
  puts used
end

do_something do
  puts :foo
end

define_method(:foo) do |_bar|
  puts :baz
end