Am 09.11.2012 22:10, schrieb Hans Hagen: > On 11/9/2012 9:22 PM, Stephan Hennig wrote: > >> That is, >> >> node.insert_after(nil, N, x) >> >> is not a short-cut for inserting after N, but returns x as new head? > > no, it returns n as head as well as x: > > head, current = node.insert_after(nil,current,x) > > boils down to > > head = current > current = x
But this is in contrast to what the manual says. | If head is initially nil, it will become new. > so: > > head, current = node.insert_after(head,current,x) > > becomes: > > head = head or current or x > current = x All valuable additions to the manual ... Best regards, Stephan Hennig
