csantanapr opened a new pull request #23: Add Codable Support for Swift 4.x URL: https://github.com/apache/incubator-openwhisk-runtime-swift/pull/23 ## Codable Suppor with Swift 4.x Some examples of using Codable In and Out ### Codable style function signature Create file `helloCodableAsync.swift` ```swift // Domain model/entity struct Employee: Codable { let id: Int let name: String } // codable main function func main(input: Employee, respondWith: (Employee?, Error?) -> Void) -> Void { // For simplicity, just passing same Employee instance forward respondWith(input, nil) } ``` ``` wsk action update helloCodableAsync helloCodableAsync.swift swift:4.1 ``` ok: updated action helloCodableAsync ``` wsk action invoke helloCodableAsync -r -p id 42 -p name Carlos ``` ```json { "id": 42, "name": "Carlos" } ``` ### Codable Error Handling Create file `helloCodableAsync.swift` ```swift struct Employee: Codable { let id: Int let name: String } enum VendingMachineError: Error { case invalidSelection case insufficientFunds(coinsNeeded: Int) case outOfStock } func main(input: Employee, respondWith: (Employee?, Error?) -> Void) -> Void { // Return real error do{ throw VendingMachineError.insufficientFunds(coinsNeeded: 5) } catch { respondWith(nil, error) } } ``` ``` wsk action update helloCodableError helloCodableError.swift swift:4.1 ``` ok: updated action helloCodableError ``` wsk action invoke helloCodableError -b -p id 42 -p name Carlos ``` ```json { "name": "helloCodableError", "response": { "result": { "error": "insufficientFunds(5)" }, "status": "application error", "success": false } ```
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