Hi,
I can see sometimes these kind of procedures ##car, ##cdr, ##null? etc... in code that has been optimized for Gambit. What is exactly the difference between those and the standard ones?
(declare (safe))
(car x) ; Argument typechecking made
(##car x) ; No argument typechecking made
(declare (not safe))
(##car x) ; No argument typechecking made
(car x) ; No argument typechecking made
And if these ones are faster, why are they defined as separate functions instead of just substituting the standard ones when in (unsafe) compilation?
Substitution is made automatically on (not safe) compilation.