chriseidhof

[fit] Functional Programming in

[fit] Swift

Chris Eidhof - objc.io - June 28, Minsk

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hectormatos2011

//
//  UIGestureRecognizer+Closures.swift
//  Closures
//
//  Created by Hector on 7/23/14.
//  Copyright (c) 2014 Hector Matos. All rights reserved.
//

import Foundation

chriseidhof

// This code accompanies a blog post: http://chris.eidhof.nl/posts/json-parsing-in-swift.html
//
// As of Beta5, the >>= operator is already defined, so I changed it to >>>=    


import Foundation

let parsedJSON : [String:AnyObject] = [
    "stat": "ok",
    "blogs": [

andymatuschak

//
//  CollectionViewDataSource.swift
//  Khan Academy
//
//  Created by Andy Matuschak on 10/14/14.
//  Copyright (c) 2014 Khan Academy. All rights reserved.
//

import UIKit

russbishop

typealias verFunc = @convention(c) ()->UnsafePointer<CChar>

let libz = dlopen("libz.dylib", RTLD_LAZY)
let ret = dlsym(libz, "zlibVersion")
let zLibVersion = unsafeBitCast(ret, verFunc.self)
print("\(String.fromCString(zLibVersion())!)")

chriseidhof

// Variables just contain an integer. We can have a maximum of `Int.max` variables in our program.  ¯\_(ツ)_/¯

private struct Var {
    static var freshVarIx = 0
    let ix: Int
    init() {
        Var.freshVarIx+=1
        ix = Var.freshVarIx
    }
}