A parameter object itself is essentially just a key. To get its value, you
first look up the current parameterization in the current continuation's
continuation-marks. The parameterization contains an immutable eq?-hash
mapping parameter keys to thread cells. The parameter's value is the value
of
How are parameters implemented. My conceptial model is an association
list (like in the original Lisp 1.5 manuel) would suffice, but that can
lead to long searches.
What is actually done in Racket?
-- hendrik
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