On Fri, Oct 8, 2021 at 10:51 AM Ben Gamari <b...@smart-cactus.org> wrote:
> In my mind the fundamental problem with this approach is that it means > that a program's acceptance by the compiler hinges upon pragmas. > This is a rather significant departure from the status quo, where one > can remove all pragmas and still end up with a well-formed program. > In this sense, pragmas aren't really part of the Haskell language but > are rather bits of interesting metadata that the compiler may or may not > pay heed to. > I don't believe this is really the status quo. In particular, the pragmas relating to overlapping instances definitely do affect whether a program type-checks or not.
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