Add (%?) composition operator#434
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arybczak merged 1 commit intowell-typed:masterfrom Feb 26, 2022
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I've found that this gets used quite a lot, I'm inclined to include it in the library. @adamgundry @phadej thoughts? |
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@matobet please fix typos in the haddock. |
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Fine with me. I'm not a fan of new operators in general, though. I looked at a lens-heavy codebase and while I don't know whether I would remember to use |
o1 %? o2 = o1 % _Just % o2
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@arybczak done. Hopefully caught them all |
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Useful helper when "digging" through lot of Maybe fields, mirroring the usage of
?.operator from some object-oriented languages.