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Simon Peyton Jones authored
We pretty-print a type by converting it to an IfaceType and pretty-printing that. But (a) that's a bit indirect, and (b) delibrately loses information about (e.g.) the kind on the /occurrences/ of a type variable So this patch implements debugPprType, which pretty prints the type directly, with no fancy formatting. It's just used for debugging. I took the opportunity to refactor the debug-pretty-printing machinery a little. In particular, define these functions and use them: ifPprDeubug :: SDoc -> SDOc -> SDoc -- Says what to do with and without -dppr-debug whenPprDebug :: SDoc -> SDoc -- Says what to do with -dppr-debug; without is empty getPprDebug :: (Bool -> SDoc) -> SDoc getPprDebug used to be called sdocPprDebugWith whenPprDebug used to be called ifPprDebug So a lot of files get touched in a very mechanical way
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