Bruno Rocha rockbruno
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| final class Heap<T> { | |
| typealias Comparator = (T,T) -> Bool | |
| var elements: [T] | |
| let priority: Comparator | |
| init(elements: [T], priority: @escaping Comparator) { | |
| self.priority = priority | |
| self.elements = elements |
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| // These little spaces are invisible in Xcode. Copy them around and watch everything break! | |
| func foo(arg: Int) { | |
| print("\(arg)") | |
| } |
rockbruno
/ immutable.swift
Created
April 2, 2020 12:10
Modifying immutable structs without var in Swift
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| protocol ImmutableCopy { | |
| associatedtype InitializerTuple | |
| var lastInitParams: AnyInitializerParams<InitializerTuple> { get } | |
| func copy(from: (InitializerTuple) -> Self, applying: (inout InitializerTuple) -> Void) -> Self | |
| } | |
| extension ImmutableCopy { | |
| func copy(from: (InitializerTuple) -> Self, applying: (inout InitializerTuple) -> Void) -> Self { | |
| var values = lastInitParams.values | |
| applying(&values) |
rockbruno
/ buck_targets_to_test.swift
Last active
October 14, 2019 23:50
Buck: Script to find out which rules should be tested based on what was changed
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| import Foundation | |
| func run(command: String, wait: Bool = true) -> String? { | |
| let task = Process() | |
| task.launchPath = "/bin/bash" | |
| task.arguments = ["-c", command] | |
| let pipe = Pipe() | |
| task.standardOutput = pipe | |
| task.launch() | |
| guard wait else { |
rockbruno
/ ios_header_remover.swift
Last active
September 8, 2021 09:26
iOS File Header remover script
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| import Foundation | |
| func findFiles(rootPath: String, suffix: String, ignoreDirs: Bool = true) -> [String]? { | |
| var result = [String]() | |
| let fileManager = FileManager.default | |
| if let paths = fileManager.subpaths(atPath: rootPath) { | |
| let swiftPaths = paths.filter { $0.hasSuffix(suffix) } | |
| for path in swiftPaths { | |
| var isDir : ObjCBool = false | |
| let fullPath = (rootPath as NSString).appendingPathComponent(path) |
rockbruno
/ Shortcuts app decoded shortcut HTML
Created
February 19, 2019 22:06
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| <html> | |
| <head> | |
| <title>Take Picture</title> | |
| <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> | |
| <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no" /> | |
| <meta name="apple-mobile-web-app-capable" content="yes"> | |
| <meta name="apple-mobile-web-app-status-bar-style" content="black-translucent"> | |
| <link rel="apple-touch-icon-precomposed" href="http:/localhost:58844/webclips/images/Take%2520Picture/icon.png"> | |
| <link rel="apple-touch-startup-image" media="(orientation: landscape)" href="http:/localhost:58844/webclips/images/Take%2520Picture/landscape-launch.png"/> | |
| <link rel="apple-touch-startup-image" media="(orientation: portrait)" href="http:/localhost:58844/webclips/images/Take%2520Picture/portrait-launch.png"/> |
rockbruno
/ DerivedConformanceCaseIterable+first.cpp
Last active
September 21, 2018 19:09
CaseIterable + first property
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| ValueDecl *DerivedConformance::deriveCaseIterable(ValueDecl *requirement) { | |
| // Conformance can't be synthesized in an extension. | |
| if (checkAndDiagnoseDisallowedContext(requirement)) | |
| return nullptr; | |
| // Check that we can actually derive CaseIterable for this type. | |
| if (!canDeriveConformance(Nominal)) | |
| return nullptr; | |
| Type returnTy; |
rockbruno
/ ViewCode7.swift
Created
September 13, 2018 18:08
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| class CustomViewController<CustomView: UIView>: UIViewController { | |
| var customView: CustomView { | |
| return view as! CustomView | |
| } | |
| override func loadView() { | |
| view = CustomView() | |
| } | |
| } |
rockbruno
/ ViewCode6.swift
Created
September 13, 2018 18:07
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| final class MyViewController: UIViewController, HasCustomView { | |
| typealias CustomView = MyView | |
| override func loadView() { | |
| let customView = CustomView() | |
| customView.delegate = self | |
| view = customView | |
| } | |
| override func viewDidLoad() { |
rockbruno
/ ViewCode5.swift
Created
September 13, 2018 18:06
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| /// The HasCustomView protocol defines a customView property for UIViewControllers to be used in exchange of the regular view property. | |
| /// In order for this to work, you have to provide a custom view to your UIViewController at the loadView() method. | |
| public protocol HasCustomView { | |
| associatedtype CustomView: UIView | |
| } | |
| extension HasCustomView where Self: UIViewController { | |
| /// The UIViewController's custom view. | |
| public var customView: CustomView { | |
| guard let customView = view as? CustomView else { |
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