Am 08.11.2012 09:15, schrieb Taco Hoekwater: > On 11/07/2012 07:37 PM, Stephan Hennig wrote: >> Am 06.07.2011 15:43, schrieb Taco Hoekwater: >>> >>> Actually H is also useful if N is nil (that is a tail-append the list >>> that starts at H), but it is true that H is generally unused. >> >> If N is known to be non-nil, e.g., a glyph node, is it save to call >> >> node.insert_after(nil, N, x) ? >> >> If the answer is 'Yes', > > Well, yes.
Hmm, I've just found | If head is initially nil, it will become new. That is, node.insert_after(nil, N, x) is not a short-cut for inserting after N, but returns x as new head? Best regards, Stephan Hennig
