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lens / lens-aeson

Traversals and Prisms for Data.Aeson
MIT License
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Add `atKey` #53

Closed JackKelly-Bellroy closed 2 years ago

JackKelly-Bellroy commented 2 years ago

Somewhat inspired by #23 and some of our internal code, where it was defined as a helper.

Possibly crossing the Fairbairn Threshold with this one, happy to have it knocked back.