Hi, I wasn’t aware of nor, nand, nond. Maybe there should have been a few more “See also” in the docs.
/Jon > On 7. Feb, 2017, at 08:31, Alexander Burger <a...@software-lab.de> wrote: > > On Tue, Feb 07, 2017 at 08:13:06AM +0100, Alexander Burger wrote: >> Better to use (not Lst). > > One more note: I even try to avoid 'not' whenever possible, as it is an > additional function call overhead. > > It is often possible to use the complementary flow function, > like (ifn Lst ..) instead of (if (not Lst) ..). > > if <-> ifn > and <-> nor > or <-> nand > when <-> unless > cond <-> nond > while <-> until > > ♪♫ Alex > -- PԔ � &j)m����X��� ��zV�u�.n7�
