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Simon Peyton Jones authored
This patch improves the code for TcMatches.tcApplicativeStmts; see the suggestion in Trac #13242 comment:9. I now use (mapM goArg args) rather than a CPS-style fold. The result is less code, easier to understand, and automatically fixes the original problem in Trac #13242. See Note [ApplicativeDo and constraints].
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