Re: Unnecessary New Closures

[Michael Roth <mroth@...>]

David Manura schrieb:

> The following adds only the overhead of a comparison test and provides the
> advantage that the object is only constructed if sort is run at least once:
>
> local x; function sort()
>   x = x or function(a, b) end
>   table.sort(sometable, x)
> end


  function sort(sometable)
    local x = function(a, b) end
    function sort(sometable)
      return table.sort(sometable, x)
    end
    return sort(sometable)
  end