- Using instructions from http://dev.iachieved.it/iachievedit/building-swift-3-0-on-a-raspberry-pi-3/
- Download image from https://wiki.ubuntu.com/ARM/RaspberryPi
- Check Disk Utility for device
- Unmount card's filesystem, if mounted
Timothy J. Wood tjw
tjw
/ void-specialize.swift
Last active
March 21, 2016 18:26
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| func f(code:Void -> Void) { | |
| print("no throw version called") | |
| code() | |
| } | |
| func f<Result>(code:Void throws -> Result) rethrows -> Result { | |
| print("rethrow version called") | |
| return try code() | |
| } |
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| import JavaScriptCore | |
| let ctx = JSGlobalContextCreate(nil) | |
| let trueValue = JSValueMakeBoolean(ctx, true) | |
| // This returns false in both Xcode 7.3.1 and 8.0 b2. | |
| JSValueIsObject(ctx, trueValue) | |
| // This returns true in Xcode 7.3.1, and false in 8.0 b2. | |
| JSValueIsBoolean(ctx, trueValue) |
tjw
/ objc-throwing-block.swift
Created
September 23, 2016 21:42
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| import Foundation | |
| /* | |
| xcrun swift objc-throwing-block.swift | |
| objc-throwing-block.swift:20:13: error: method cannot be marked @objc because the type of the parameter cannot be represented in Objective-C | |
| @objc func access(accessor: Accessor) {} | |
| ^ | |
| objc-throwing-block.swift:20:30: note: throwing function types cannot be represented in Objective-C |
tjw
/ dir-enum.swift
Last active
October 5, 2016 21:47
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| import Foundation | |
| let u = URL(fileURLWithPath: "/tmp/missing-path", isDirectory: true) | |
| let d = FileManager.default.enumerator(at:u, includingPropertiesForKeys: nil, errorHandler: {_,_ in return false})! | |
| print("d \(d)") // --> d <NSURLDirectoryEnumerator: 0x100a01940> | |
| // Crashes, unless the error handler above is replaced with nil | |
| for _ in d {} |
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| protocol P { | |
| static var name: String { get } | |
| init(i:Int) | |
| } | |
| class A: P { | |
| static var name: String { | |
| get { return "A" } | |
| } | |
| required init(i:Int) {} |
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| % ./utils/build-script --release-debuginfo --debug-swift | |
| #### hours pass #### | |
| % ../build/Ninja-RelWithDebInfoAssert+swift-DebugAssert/swift-macosx-x86_64/bin/swift -sdk /Applications/Xcode-9.1b2.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS.sdk -target arm64-apple-ios11.1 /Users/bungi/Desktop/TransitiveAppExtensionAvailable/Example.swift | |
| <unknown>:0: error: unable to load standard library for target 'arm64-apple-ios11.1' |
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| # Trying to get the fastest incremental build times for small changes to the swift compiler. | |
| # This still rebuilds the stdlib on each change to the compiler (no --skip option I see to avoid that). | |
| [preset: ios] | |
| release | |
| debug-swift | |
| ios | |
| skip-build-ios-simulator | |
| skip-test-ios-simulator | |
| skip-build-osx | |
| skip-test-osx |
tjw
/ SetPrototype.swift
Created
February 14, 2018 23:40
Regression in JSObjectSetPrototype for the global object in a context.
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| /* | |
| swift SetPrototype.swift | |
| On 10.13.4, the result is 'undefined', but it should be '5'. | |
| */ | |
| import Foundation | |
| import JavaScriptCore | |
| var definition:JSClassDefinition = kJSClassDefinitionEmpty |
tjw
/ DispatchWriteSource.m
Created
March 28, 2018 22:23
A dispatch write source that is connected to a UNIX domain socket with a full write buffer will fire forever, instead of waiting to fire until there is room in the buffer to write more data.
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| // | |
| // main.m | |
| // DispatchWriteSource | |
| // | |
| // Created by Timothy J. Wood on 3/27/18. | |
| // Copyright © 2018 The Omni Group. All rights reserved. | |
| // | |
| #import <Foundation/Foundation.h> | |
| #import <unistd.h> |