News for hackers. Stuff that matters.

A comment on What can we learn from how compilers are designed?. Parent comment

Re:What can we learn from how compilers are designed? by lispm on Monday March 19, 2018 @09:01AM (#16617994)
> Probably the worst possible structure for representing a map.

Not really.

But native hashtables had been added to Lisp in the 70s...

[ Parent | on HN ]
Re:What can we learn from how compilers are designed? by kazinator on Monday March 19, 2018 @10:44AM (#16618693)
Under the right circumstances, a lookup table could be worse. In a simple interpreter, I would hate to pass down a vector of pairs for the environment representation; it would have to be wholly duplicated to extend the environment.
[ Parent | on HN ]