Polymorphic Type Assignment and CPS Conversion

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Abstract
Meyer and Wand established that the type of a term in the simply typed lambda-calculus may be related in a straightforward manner to the type of its call-by-value CPS transform. This typing property may be extended to Scheme-like continuation-passing primitives, from which the soundness of these extensions follows. We study the extension of these results to the Damas-Milner polymorphic type assignment system under both the call-by-value and call-by-name interpretations. We obtain CPS transforms for the call-by-value interpretation, provided that the polymorphic let is restricted to values, and for the call-by-name interpretation with no restrictions. We prove that there is no call-by-value CPS transform for the full Damas-Milner language that validates the Meyer-Wand typing property and is equivalent to the standard call-by-value transform up to beta eta-conversion.

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