On 14/02/20 20:14, Qian Cai wrote: >> It seems misguided to define a local variable just to get an implicit >> cast from (void *) to (fastop_t). Sean's first suggestion gives you >> the same implicit cast without the local variable. The second >> suggestion makes both casts explicit. > > OK, I'll do a v2 using the first suggestion which looks simpler once it passed > compilations. > Another interesting possibility is to use an unnamed union of a (*execute) function pointer and a (*fastop) function pointer. Paolo