Mike Ash mikeash
mikeash
/ HeterogeneousCoresTest.swift
Created
November 16, 2017 18:12
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| import Foundation | |
| func machToNanoseconds(_ mach: UInt64) -> Double { | |
| struct Static { | |
| static var info: mach_timebase_info = { | |
| var info = mach_timebase_info() | |
| mach_timebase_info(&info) | |
| return info | |
| }() | |
| } |
mikeash
/ conditional-conformance.swift
Created
November 15, 2017 18:22
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| protocol P { | |
| func f() | |
| } | |
| struct S<T> {} | |
| extension S: P where T: P { | |
| func f() { | |
| print(T.self) |
mikeash
/ root-classes.swift
Created
October 12, 2017 13:30
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| import Cocoa | |
| var count: UInt32 = 0 | |
| let ptr = objc_copyClassList(&count)! | |
| let strings = (0 ..< Int(count)).flatMap({ | |
| if class_getSuperclass(ptr[$0]) == nil { | |
| return String(cString: class_getName(ptr[$0])) | |
| } else { |
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| protocol TSDKey { | |
| associatedtype Value | |
| static var defaultValue: Value { get } | |
| } | |
| struct TSD { | |
| private var storage: [ObjectIdentifier: Any] = [:] | |
| subscript<Key: TSDKey>(key: Key.Type) -> Key.Value { |
mikeash
/ TSUD.swift
Last active
October 4, 2017 15:22
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| // SCROLL DOWN // | |
| import Foundation | |
| protocol TSUD { | |
| associatedtype Value: Codable | |
| init() | |
| static var defaultValue: Value { get } |
mikeash
/ nested-containers.swift
Created
September 28, 2017 18:06
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| import Foundation | |
| class MutableBox<T> { | |
| var value: T | |
| init(_ initialValue: T) { | |
| value = initialValue | |
| } | |
| } |
mikeash
/ compile-time-class.m
Created
September 19, 2017 15:08
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| /*usr/bin/true | |
| clang -framework Cocoa -g compile-time-class.m && ./a.out | |
| exit;*/ | |
| #import <Foundation/Foundation.h> | |
| #define COMPILE_TIME_CLASS(name) ^{ \ | |
| extern void *OBJC_CLASS_$_ ## name; \ |
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| #!/bin/bash | |
| # Exit the script immediately on error | |
| set -e | |
| # We'll work in /tmp | |
| cd /tmp | |
| # Clone mach_override unless we already have it | |
| if [ ! -d mach_override ]; then |
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| // xcrun -sdk iphoneos clang -O3 -arch arm64 -S test.c | |
| #import <stdarg.h> | |
| #import <stdio.h> | |
| void normal(int a, int b, int c, int d, int e, int f, int g, int h) { | |
| printf("%d %d %d %d %d %d %d %d", a, b, c, d, e, f, g, h); | |
| } | |
| void normal_target(int a, int b, int c, int d, int e, int f, int g, int h); |
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| import Darwin | |
| typealias a = (UInt32, UInt32, UInt32, UInt32, UInt32, UInt32, UInt32, UInt32, UInt32, UInt32, UInt32, UInt32, UInt32, UInt32, UInt32, UInt32, UInt32, UInt32, UInt32, UInt32, UInt32, UInt32, UInt32, UInt32, UInt32, UInt32, UInt32, UInt32, UInt32, UInt32, UInt32, UInt32, UInt32, UInt32, UInt32, UInt32, UInt32, UInt32, UInt32, UInt32, UInt32, UInt32, UInt32, UInt32, UInt32, UInt32, UInt32, UInt32, UInt32, UInt32, UInt32, UInt32, UInt32, UInt32, UInt32, UInt32, UInt32, UInt32, UInt32, UInt32, UInt32, UInt32, UInt32, UInt32, UInt32, UInt32, UInt32, UInt32, UInt32, UInt32, UInt32, UInt32, UInt32, UInt32, UInt32, UInt32, UInt32, UInt32, UInt32, UInt32, UInt32, UInt32, UInt32, UInt32, UInt32, UInt32, UInt32, UInt32, UInt32, UInt32, UInt32, UInt32, UInt32, UInt32, UInt32, UInt32, UInt32, UInt32, UInt32, UInt32, UInt32, UInt32, UInt32, UInt32, UInt32, UInt32, UInt32, UInt32, UInt32, UInt32, UInt32, UInt32, UInt32, UInt32, UInt32, UInt32, UInt32, UInt32, UInt32, UInt32, UInt32, UInt32, UInt32, UInt32, U |