hoogle Hoogle doesn't index 'HasCallStack'

https://hoogle.haskell.org/?hoogle=HasCallStack

Produces no results. Yet

https://hoogle.haskell.org/?hoogle=CallStack

does. And HasCallStack is in the same module as CallStack.

Could it be because HasCallStack is a type alias for implicit parameters (a rather rare thing to find)?

Oct 11 '19 18:10 3noch

Very likely, looking at the logs:

base:12050:failed to parse: type HasCallStack = (?callStack :: CallStack)

Oct 12 '19 16:10 ndmitchell

Seems haskell-src-exts gives a parse error on this regardless of how many extensions I enabled. The right long-term fix is to migrate over to ghc-lib-parser, but it's barely worth it for one definition.

Oct 13 '19 12:10 ndmitchell

I could add some more in a new hackage upload... :stuck_out_tongue_closed_eyes:

Makes sense.

Oct 15 '19 13:10 3noch

If someone wants to do the work to migrate to ghc-lib-parser it would be great - but I think the number of issues it resolves is actually quite small. We have more garbage produced by Haddock problems than failure to parse valid stuff problems.

Oct 16 '19 08:10 ndmitchell