T1T4N
/ UnsafeSendableBox.swift
Created
August 13, 2024 08:10
A generic box type for adding unchecked Sendable conformance to a type
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| @dynamicMemberLookup | |
| final class UnsafeSendableBox<T>: @unchecked Sendable { | |
| let value: T | |
| init(_ value: T) { | |
| self.value = value | |
| } | |
| subscript<Value>(dynamicMember keyPath: KeyPath<T, Value>) -> Value { | |
| value[keyPath: keyPath] | |
| } |
T1T4N
/ DispatchMemoryPressure6.swift
Created
August 12, 2024 10:19
Swift 6 concurrency-friendly way of monitoring memory pressure
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| @discardableResult | |
| func logMemoryPressure() -> DispatchSourceProtocol { | |
| // Wrapper class to make DispatchSourceMemoryPressure sendable | |
| final class SendableDispatchMemoryPressureSource: @unchecked Sendable { | |
| let source: any DispatchSourceMemoryPressure | |
| init(_ source: any DispatchSourceMemoryPressure) { | |
| self.source = source | |
| } | |
| func activate() { |
T1T4N
/ DispatchMemoryPressure.swift
Last active
August 12, 2024 10:18
Preconcurrency (Swift 6) way of monitoring memory pressure in Swift
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| @discardableResult | |
| @preconcurrency func logMemoryPressure() -> DispatchSourceProtocol { | |
| let source = DispatchSource.makeMemoryPressureSource(eventMask: .all, queue: nil) | |
| let queue = DispatchQueue( | |
| label: "com.example.memoryPressure") | |
| queue.async { | |
| source.setEventHandler { | |
| guard !source.isCancelled else { return } | |
| let event = source.data |
T1T4N
/ UInt+Bits.swift
Last active
August 9, 2024 09:52
Add support for manipulating specific bits within an integer by treating it like an array of Bool values
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| // Source: https://www.douggregor.net/posts/swift-for-cxx-practitioners-extensions/ | |
| extension UInt32 { | |
| subscript(index: Int) -> Bool { | |
| get { | |
| (self & UInt32(1) << index) != 0 | |
| } | |
| set { | |
| let mask = UInt32(1) << index | |
| self = (self & ~mask) | (newValue ? mask : 0) |
T1T4N
/ gist:77ccc29445d1bf8e8da87509ddfe9af4
Created
July 16, 2024 10:23
Open Microsoft Edge on macOS with a specified Workspace
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| # Source: https://www.reddit.com/r/MicrosoftEdge/comments/16u0nuf/i_know_how_to_launch_edge_into_a_specific_profile/ | |
| cat "$HOME/Library/Application Support/Microsoft Edge/Default/Workspaces/WorkspacesCache" | |
| open -a '/Applications/Microsoft Edge.app/Contents/MacOS/Microsoft Edge' --args --profile-directory="ProfileName" --launch-workspace=<workspace-id> |
T1T4N
/ vscode-local-workspace.json
Created
June 22, 2024 21:45
An example VSCode configuration for color-coding workspace windows
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| { | |
| "workbench.colorCustomizations": { | |
| "activityBar.activeBackground": "#dc0000", | |
| "activityBar.activeBorder": "#03A9F4", | |
| "activityBar.background": "#860009", | |
| "activityBar.foreground": "#e7e7e7", | |
| "activityBar.inactiveForeground": "#e7e7e799", | |
| "activityBarBadge.background": "#03A9F4", | |
| "activityBarBadge.foreground": "#e7e7e7", | |
| "statusBar.background": "#03A9F4", |
T1T4N
/ Publisher+WeakAssign.swift
Created
June 22, 2024 10:14
Combine extensions for weak assignment and sink
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| extension Publisher where Failure == Never { | |
| func weakAssign<T: AnyObject>( | |
| to keyPath: ReferenceWritableKeyPath<T, Output>, on object: T | |
| ) -> AnyCancellable { | |
| sink { [weak object] value in | |
| object?[keyPath: keyPath] = value | |
| } | |
| } | |
| func weakSink<T: AnyObject>( |
T1T4N
/ Publisher+Async.swift
Last active
June 21, 2024 12:17
A Swift Extension for converting a Combine Publisher to async/await
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| extension Publisher { | |
| @available(macOS 12.0, iOS 15.0, tvOS 15.0, watchOS 8.0, *) | |
| func asyncFirst() async throws -> Output? { | |
| return try await self | |
| .first() | |
| .values | |
| .first { _ in true } | |
| } | |
| // https://medium.com/geekculture/from-combine-to-async-await-c08bf1d15b77 |
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| // Source: https://www.hackingwithswift.com/plus/high-performance-apps/using-memoization-to-speed-up-slow-functions | |
| // Source: https://medium.com/@mvxlr/swift-memoize-walk-through-c5224a558194 | |
| typealias MemFn<Input, Output> = (Input) -> Output | |
| // work with any sort of input and output as long as the input is hashable | |
| // accept a function that takes Input and returns Output, and return a function with the same signature | |
| func memoize<Input: Hashable, Output>( | |
| _ work: @escaping MemFn<Input, Output> | |
| ) -> MemFn<Input, Output> { |
T1T4N
/ gist:f66a2ebbeb17b73d6643a178ede14639
Created
June 18, 2024 14:54
Disable Xcode 16's Predictive Code Completion LLM Model
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| defaults write com.apple.dt.Xcode IDEModelAccessHasUserConsentForOnDeviceInteractions -bool FALSE |
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