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Recursive Wizard Step
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| typealias SomeContent = String | |
| indirect enum Step { | |
| case step1(SomeContent, Step?) | |
| case step2(SomeContent, Step?) | |
| case step3(SomeContent, Step?) | |
| } | |
| let step1 = Step.step1("Step 1 data", nil) | |
| let step2 = Step.step2("Step 2 data", step1) | |
| let step3 = Step.step3("Step 3 data", step2) |
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