Most of PlanGrid’s codebase in Swift, but they have a legacy Obj-C network sync layer. To manage getting JSON data that has already been decoded in Obj-C into their Swift models, they wrote JSONObjectDecoder. Ben will talk about the constraints that drove PlanGrid to this decision, building a Decoder from scratch, and some of the enhancements you can make once you have a working custom Decoder.
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This talk was given at the Swift Language User Group meetup on June 13 2018.