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Tue Feb 26 13:26:36 CET 2008

delimited continuations

best to start here:
http://pre.plt-scheme.org/docs/html/reference/Evaluation_Model.html#(part~20prompt-model)

i think i sort of get it.. the analogy of stack frames, but more
general since they can be tree-structured (just like
environments). all the operations on continuations are then
compositions of these trees, with restrictions on how far back in the
tree continuations can be captured, and rules on composition that
makes sence in light of these restrictions.


Accessing a tree as if it were a stream and ``updating'' in-place
without mutation..

http://lambda-the-ultimate.org/node/969



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