marcprux

//
//  ContentView.swift
//  AlignDemo
//
//  Created by Marc Prud'hommeaux on 2/28/20.
//  Copyright © 2020 Glimpse I/O. All rights reserved.
//

import SwiftUI

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//
//  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 {

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/// 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.

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#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, *)

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//
//  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 <marcin@krzyzanowskim.com>

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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

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//
//  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

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/// InversionOfExecution.swift – Marc Prud'hommeaux <marc@glimpse.io>
///
/// 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])`
///

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/// 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

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/// 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! }
}