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Make use of GHC call-stack simulation for the bounds-checked partial functions #184

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Make use of GHC call-stack simulation for the bounds-checked partial functions #184

wants to merge 2 commits into from

Commits on Sep 26, 2017

  1. Enable GHC call-stack simulation in "safe" partial functions. 

    `(!)` etc. are of course only safer than their `unsafe` pendants in the sense that
errors are raised as proper exceptions, but when used in sizable applications
that by itself does not make the errors easy to find.

GHC-8 has added support for simulated call stack which can actually give some
information on the use site of such errors. In this commit, I added the
necessary constraint to the partial functions which perform bounds checks.
    @leftaroundabout
    leftaroundabout committed Sep 26, 2017
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  2. Also support call-stack simulation in concrete boxed/unboxed interfaces.

    @leftaroundabout
    leftaroundabout committed Sep 26, 2017
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