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# Conflicts: # Promise.xcodeproj/project.pbxproj # README.md
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Promise.playground/Pages/Zip Functions Generator.xcplaygroundpage/Contents.swift
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| //: [Previous](@previous) | ||
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| /*: | ||
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| # Zip Functions Generator | ||
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| This page generates `zip` functions for 3-*N* parameters. They all build on the | ||
| two parameter variant, with `zip` for *N* parameters always delegating work | ||
| to one with *N*-1 parameters. | ||
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| */ | ||
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| import Foundation | ||
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| func types(_ n: Int) -> String { | ||
| return (1...n).map { "T\($0)" }.joined(separator: ", ") | ||
| } | ||
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| func createZip(_ n: Int) -> String { | ||
| var output: String = "/// Zips \(n) promises of different types into a single Promise whose\n" | ||
| output.append("/// type is a tuple of \(n) elements.\n") | ||
| output.append("public static func zip<") | ||
| output.append(types(n)) | ||
| output.append(">(") | ||
| output.append((1...n-1).map { "_ p\($0): Promise<T\($0)>, " }.joined()) | ||
| output.append("_ last: Promise<T\(n)>) -> Promise<(\(types(n)))> {\n") | ||
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| output.append("return Promise<(\(types(n)))>(work: { (fulfill: @escaping ((\(types(n)))) -> Void, reject: @escaping (Error) -> Void) in\n") | ||
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| output.append("let zipped: Promise<(\(types(n-1)))> = zip(") | ||
| output.append((1...n-1).map { "p\($0)" }.joined(separator: ", ")) | ||
| output.append(")\n\n") | ||
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| output.append("func resolver() -> Void {\n") | ||
| output.append("if let zippedValue = zipped.value, let lastValue = last.value {\n") | ||
| output.append("fulfill((") | ||
| output.append((0...n-2).map { "zippedValue.\($0), " }.joined()) | ||
| output.append("lastValue))\n}\n}\n") | ||
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| output.append("zipped.then({ _ in resolver() }, reject)\n") | ||
| output.append("last.then({ _ in resolver() }, reject)\n") | ||
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| output.append("})\n}") | ||
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| return output | ||
| } | ||
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| func createZips(_ n: Int) -> String { | ||
| return (3...n).map(createZip).joined(separator: "\n\n") | ||
| } | ||
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| print(createZips(6)) | ||
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| //: [Next](@next) |
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82
Promise.xcodeproj/xcshareddata/xcschemes/Promise macOS.xcscheme
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| <?xml version="1.0" encoding="UTF-8"?> | ||
| <Scheme | ||
| LastUpgradeVersion = "0830" | ||
| version = "1.3"> | ||
| <BuildAction | ||
| parallelizeBuildables = "YES" | ||
| buildImplicitDependencies = "YES"> | ||
| <BuildActionEntries> | ||
| <BuildActionEntry | ||
| buildForTesting = "YES" | ||
| buildForRunning = "YES" | ||
| buildForProfiling = "YES" | ||
| buildForArchiving = "YES" | ||
| buildForAnalyzing = "YES"> | ||
| <BuildableReference | ||
| BuildableIdentifier = "primary" | ||
| BlueprintIdentifier = "52F3C1BC1ECE503D0028CA53" | ||
| BuildableName = "Promise Mac" | ||
| BlueprintName = "Promise Mac" | ||
| ReferencedContainer = "container:Promise.xcodeproj"> | ||
| </BuildableReference> | ||
| </BuildActionEntry> | ||
| </BuildActionEntries> | ||
| </BuildAction> | ||
| <TestAction | ||
| buildConfiguration = "Debug" | ||
| selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB" | ||
| selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB" | ||
| language = "" | ||
| shouldUseLaunchSchemeArgsEnv = "YES"> | ||
| <Testables> | ||
| </Testables> | ||
| <AdditionalOptions> | ||
| </AdditionalOptions> | ||
| </TestAction> | ||
| <LaunchAction | ||
| buildConfiguration = "Debug" | ||
| selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB" | ||
| selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB" | ||
| language = "" | ||
| launchStyle = "0" | ||
| useCustomWorkingDirectory = "NO" | ||
| ignoresPersistentStateOnLaunch = "NO" | ||
| debugDocumentVersioning = "YES" | ||
| debugServiceExtension = "internal" | ||
| allowLocationSimulation = "YES"> | ||
| <MacroExpansion> | ||
| <BuildableReference | ||
| BuildableIdentifier = "primary" | ||
| BlueprintIdentifier = "52F3C1BC1ECE503D0028CA53" | ||
| BuildableName = "Promise Mac" | ||
| BlueprintName = "Promise Mac" | ||
| ReferencedContainer = "container:Promise.xcodeproj"> | ||
| </BuildableReference> | ||
| </MacroExpansion> | ||
| <AdditionalOptions> | ||
| </AdditionalOptions> | ||
| </LaunchAction> | ||
| <ProfileAction | ||
| buildConfiguration = "Release" | ||
| shouldUseLaunchSchemeArgsEnv = "YES" | ||
| savedToolIdentifier = "" | ||
| useCustomWorkingDirectory = "NO" | ||
| debugDocumentVersioning = "YES"> | ||
| <MacroExpansion> | ||
| <BuildableReference | ||
| BuildableIdentifier = "primary" | ||
| BlueprintIdentifier = "52F3C1BC1ECE503D0028CA53" | ||
| BuildableName = "Promise Mac" | ||
| BlueprintName = "Promise Mac" | ||
| ReferencedContainer = "container:Promise.xcodeproj"> | ||
| </BuildableReference> | ||
| </MacroExpansion> | ||
| </ProfileAction> | ||
| <AnalyzeAction | ||
| buildConfiguration = "Debug"> | ||
| </AnalyzeAction> | ||
| <ArchiveAction | ||
| buildConfiguration = "Release" | ||
| revealArchiveInOrganizer = "YES"> | ||
| </ArchiveAction> | ||
| </Scheme> |
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