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ATCT vs. PicoThreads (Was: Re: A Patent on Continuations?)

Shriram Krishnamurthi wrote:
 > > Avi Bryant wrote:
 > >
 > > Before everyone gets up in arms - I'm pretty sure that the patent
 > > mentioned is not for the concept of continuations, but for a
 > > particular implementation technique: using a metacircular bytecode
 > > interpreter to allow certain portions of a program to capture
 > > first class continuations even though the underlying VM (in this
 > > case, Java's) doesn't support them.
 > Indeed, and that is somewhat "new".

To my admittedly untrained eye, Velare's Asynchronous Transfer of
Control Threading (ATCT) looks remarkably similar to PicoThreads