On 2013-06-05 20:11, Peter Bex wrote: > On Wed, Jun 05, 2013 at 07:57:49PM +0200, Thomas Chust wrote: >> >> but it's trivial to detect cyclic lists during the traversal using >> either a set of seen elements or just two iteration pointers travelling >> at different speeds. > > In C that's rather painful. Note that the OP was asking specifically > for a C_listp macro. > [...]
Hello, well, I think that two iteration pointers are trivial even in C, but that may be a matter of taste :-) Ciao, Thomas -- When C++ is your hammer, every problem looks like your thumb. -- When C++ is your hammer, every problem looks like your thumb. _______________________________________________ Chicken-users mailing list Chicken-users@nongnu.org https://lists.nongnu.org/mailman/listinfo/chicken-users
