[r6rs-discuss] [Formal] Requirement to detect circular lists

[Dan Muresan]

> Removing mutable pairs certaily make reasoning on a program
> much easier.

So does making vectors immutable, but it also makes the programmer's job
much more difficult.

No, I'm not saying it's the same thing, but I'm glad mutable pairs have
been retained -- if only for the sheer amount of code that would suddenly
stop working.


Dan Muresan
http://alumnus.caltech.edu/~muresan