Illia Kovalov ikovalyov
ikovalyov
/ simple-state-machine-4.kt
Created
March 31, 2020 22:40
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| val transitions = listOf( | |
| ValidateRequest(), | |
| ProcessRequest(), | |
| ValidateResponse() | |
| ) |
ikovalyov
/ simple-state-machine-5.kt
Created
March 31, 2020 22:41
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| fun processRequest(input: Int): Int { | |
| val initial = State.RequestReceived(input) | |
| val result = transitions.fold(initial) | |
| return if (result.validationResult) { | |
| result.previousState.response | |
| } else { | |
| -1 | |
| } | |
| } |
ikovalyov
/ simple-state-machine-6.kt
Created
March 31, 2020 22:42
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| fun main() { | |
| println(processRequest(1)) | |
| println(processRequest(10)) | |
| println(processRequest(-1)) | |
| } | |
| // 2 | |
| // 20 | |
| // -1 |
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