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Make Opaque types correspond to positive predicates#882

Draft

AlexKnauth wants to merge 4 commits intoracket:masterracket/typed-racket:masterfrom

AlexKnauth:opaque-positive-predicateAlexKnauth/typed-racket:opaque-positive-predicateCopy head branch name to clipboard

Conversation Commits4 (4)Checks Files changed

Draft

Make Opaque types correspond to positive predicates#882
AlexKnauth wants to merge 4 commits intoracket:masterfrom
AlexKnauth:opaque-positive-predicate

Commits

Commits on Dec 12, 2019

start opaque-positive-predicate RFC
AlexKnauth
committed
implement opaque-positive-predicate
AlexKnauth
committed
fix typed/db/base to use positive predicates
AlexKnauth
committed
improve warning message
AlexKnauth
committed

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