Application-level Stackless features — PyPy documentation

Introduction¶ PyPy can expose to its user language features similar to the ones present in Stackless Python: the ability to write code in a massively concurrent style. (It does not (any more) offer the ability to run with no recursion depth limit, but the same effect can be achieved indirectly.) This feature is based on a custom primitive called a continulet. Continulets can be directly used by ap