2007/10/22, Giles Bowkett <gilesb@[...].com> :
>  > module Kernel
>  >   def with(object,&block)
>  >     object.instance_eval &block
>  >   end
>  > end
>  >
>  > with([1,2,3]) { length } # => 3
> 
>  This is really neat and compact.

How is this more compact than

[1,2,3].length

?

Cheers

robert