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I want to define a flag Does |
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We do not currently support this. The workaround would be to define them yourself, make them conflict with each other, and provide an accessor that merges the result of the two. We had #2836 which ran into problems so we removed it. If we had #3146, then that might be another way of representing this. If you want to move forward with making a feature, it would be helpful to enumerate the full extent of what you want and why it is important compared to the workaround. It could also be good to list out any prior art in other parsers that you might be aware of. |
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Define them myself would force me to add unneeded fields to the struct and handle invariants myself, making my code more complex than necessary. |
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We do not currently support this. The workaround would be to define them yourself, make them conflict with each other, and provide an accessor that merges the result of the two.
We had #2836 which ran into problems so we removed it. If we had #3146, then that might be another way of representing this.
If you want to move forward with making a feature, it would be helpful to enumerate the full extent of what you want and why it is important compared to the workaround. It could also be good to list out any prior art in other parsers that you might be aware of.