I’m curious… how would it be done in Lua? Marc > On Jan 6, 2016, at 9:32 AM, Alex Silva <asandroq at gmail.com> wrote: > > Oh well, I guess that's life. I guess I will return a signed 64-bit int > and test against -1. Not ranting against Gambit, but this makes one > appreciate more the brilliance of the Lua C API.