GenType: support @deriving(accessors)
#6537
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cometkim
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cristianoc
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Dec 22, 2023
| | {Location.txt = "genType" | "gentype"; _}, _ -> true | ||
| | _ -> false | ||
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| let gentype : attr = ({txt = "genType"; loc = locg}, Ast_payload.empty) |
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looks like this is not used?
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ahhh right. I think it's better to use it instead of copying the original attrs
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done. can you push the changelog commit again? I forgot pull.
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@cristianoc As I mentioned here, this change makes results of the
@deriving(accessors)ppx are also reflected in genType.This is also important to achieve #6196 later. Because, after all, people want correct typing for the whole JS output.
It's not a difficult change here, but requesting every custom ppx author to add the genType attribute themselves. They cannot accurately determine whether the code uses genType or not (currently genType is pretty dependency-aware)
It makes sense to migrate from #6196 to switch to per-file or per-project genType config. A downward is build speed. Obviously, if genType is enabled on the entire project, it will reduce overall build speed somehow. It needs to be measured IMHO.