-
Ryan Scott authored
This generalizes the type signatures of `traceM` and `traceShowM` to use `Applicative` rather than `Monad`. Reviewers: austin, ekmett, hvr, bgamari Reviewed By: ekmett, hvr, bgamari Subscribers: thomie, bgamari Differential Revision: https://phabricator.haskell.org/D1029 GHC Trac Issues: #10023
39d83f23