[Haskell-cafe] Support for library improvement

Richard Eisenberg eir at cis.upenn.edu
Fri Oct 9 01:31:38 UTC 2015

On Oct 8, 2015, at 1:05 PM, Richard Eisenberg <eir at cis.upenn.edu> wrote:
> My loose following of the interweaved threads has led me to this same conclusion. Have you paid close enough attention to list exactly what these changes should be? I have not. But I'd love to find a general solution to the migration problem so that we can continue to tinker with our beloved language without fear of flames burning down the house.

I should have been more explicit. I was more thinking of a multi-tiered warning system, where we decide, as a community, not to be embarrassed by warnings of severity less than X. When putting a DEPRECATED pragma on a definition, we could then give an indication of how soon we expect the definition to be gone.

I was not thinking of the sort of "smart" behavior that Joachim wrote about. I want my programs to do exactly what I say -- compilers should only be so clever.


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