marcprux

/// like XCTAssertEqual, but handles optional unwrapping
public func XCTAssertEqualOptional<T: Any where T: Equatable>(expression1: @auto_closure () -> T?, expression2: @auto_closure () -> T?, _ message: String? = nil, file: String = __FILE__, line: UInt = __LINE__) {
    if let exp1 = expression1() {
        if let exp2 = expression2() {
            XCTAssertEqual(exp1, exp2, message ? message! : "", file: file, line: line)
        } else {
            XCTFail(message ? message! : "exp1 != nil, exp2 == nil", file: file, line: line)
        }
    } else if let exp2 = expression2() {
        XCTFail(message ? message! : "exp1 == nil, exp2 != nil", file: file, line: line)

marcprux

/// converts an array of optionals to an array of non-optionals by filtering out nil
public func nilter<T>(var array: Array<Optional<T>>) -> Array<T> {
    return array.filter { $0.getLogicValue() }.map { $0! }
}

marcprux

/// A calculation that holds a left term, a right term, and an operation
struct Calc<T> {
    var lt: () -> T
    var op: (T, T) -> T
    var rt: () -> T

    init(lt: () -> T, op: (T, T) -> T, rt: () -> T) {
        self.lt = lt
        self.op = op
        self.rt = rt

marcprux

/// InversionOfExecution.swift – Marc Prud'hommeaux <[email protected]>
///
/// Demonstration of an *Inversion of Execution* (**IoE**) technique for how the same function
/// can be executed either synchronously with a return value or asynchronously with a 
/// callback block depending on an optional trailing `iex` (inverted executor closure.
///
/// • When executed without a trailing closure, the result is provided as a return value:
///
///     `let result: Int = sum([1, 2])`
///

marcprux

//
//  Demonstration of using a channel to receive and dispatch IOHIDManager events using the ChannelZ framework.
//
//  Created by Marc Prud'hommeaux on 3/8/15.
//
import Cocoa
import IOKit
import ChannelZ

@NSApplicationMain

marcprux

public extension NSURL {

    /// Creates a zip archive of the file/folder represented by this URL and returns a references to the zipped file
    ///
    /// - parameter dest: the destination URL; if nil, the destination will be this URL with ".zip" appended
    func zip(dest: NSURL? = nil) throws -> NSURL {
        let destURL = dest ?? self.URLByAppendingPathExtension("zip")

        let fm = NSFileManager.defaultManager()
        var isDir: ObjCBool = false

marcprux

//
//  SHA1.swift
//  Glib
//
//  Created by Marc Prud'hommeaux on 5/1/18.
//  Copyright © 2018 Marc Prud'hommeaux. All rights reserved.
//
//  A single-file conversion of the SHA1 code from: CryptoSwift
//
//  Copyright (C) 2014-2017 Marcin Krzyżanowski <[email protected]>

marcprux

#if os(macOS)
import AppKit
public typealias UXImage = NSImage
#elseif os(iOS)
import UIKit
public typealias UXImage = UIImage
#endif

/// Extensions for system images included in SF Symbols
@available(macOS 10.15, iOS 13.0, *)

marcprux

/// A color instance that can be expressed by red, green, blue, and alpha components.
///
/// Conformed to by:
/// - `CoreGraphics.CGColor`
/// - `CoreImage.CIColor`
/// - `UIKit.UIColor`
/// - `AppKit.NSColor`
/// - `SwiftUI.Color`
public protocol ExpressibleByColorComponents {
    /// Create an instance of this color from the given color components.

marcprux

//
//  Demonstration of how to use `anchorPreference` to mimic the floating selection
//  behavior of `SegmentedPickerStyle`.
//
//  Created by Marc Prud'hommeaux on 12/10/19.
//

import SwiftUI

public extension View {