kongtomorrow

ken@Nepheli /tmp> clang -Wunused -c x.c 
x.c:2:19: warning: unused variable 'x' [-Wunused-variable]
void f(void) {int x, y;}
                  ^
x.c:2:22: warning: unused variable 'y' [-Wunused-variable]
void f(void) {int x, y;}
                     ^
2 warnings generated.
ken@Nepheli /tmp> clang -Wunused -Werror -c x.c 
x.c:2:19: error: unused variable 'x' [-Werror,-Wunused-variable]

kongtomorrow

    let bricks : Array<UIView!> = {
        var bricks = Array<UIView!>(count:brickCount, repeatedValue: nil)
        for i in 0..brickCount {
            let brick = UIView()
            brick.backgroundColor = UIColor.blueColor()
            brick.layer.borderColor = UIColor.greenColor().CGColor
            brick.layer.borderWidth = 1.0
            bricks[i] = brick
        }
        return bricks

kongtomorrow

func myAnd(lhs : Bool, rhs : @auto_closure () -> Bool) -> Bool {
    if lhs {
        return rhs()
    } else {
        return false
    }
}

func logAndBool(val : Bool) -> Bool {
    println("evaluating and returning \(val)!")

kongtomorrow

func forAllCombinations<T>(r1 : Range<T>, r2 : Range<T>, body : (T, T) -> ()) {
    for i in r1 {
        for j in r2 {
            body(i, j)
        }
    }
}

 forAllCombinations(0..3, 0..5) {
     (i, j) in

kongtomorrow

func takeThree(i : Int, j : Int, k : Int) {
    println("yus")
}

 let arg = (1,2,3)
 takeThree(arg)

kongtomorrow

#!/usr/bin/xcrun swift -i

func takeThree(i : Int, j : Int, k : Int) {
    println("yus")
}
 
let arg = (1,2,3)
takeThree(arg)

kongtomorrow

#!/usr/bin/xcrun swift -i

func ambiguous( f : Any...) {
    for i in f {
        println("\(i)") 
    }
}
 
let arg = (1,2)
ambiguous(arg)

kongtomorrow

import Foundation
 
var d1 = Dictionary<String, String>() 
d1["foo"] = "hi"
d1["foo"] = nil // this removes the entry from the dict

println("\(d1)") // prints [:]

 
var d2 = Dictionary<String, String?>() 

kongtomorrow

        NSImage *pdfImage = [[NSImage alloc] initWithContentsOfFile:@"/Applications/Utilities/Disk Utility.app/Contents/Frameworks/DUSupport.framework/Versions/A/Resources/key.pdf"];

        CGSize desiredSize = CGSizeMake(300,300);
        NSColorSpace *desiredColorspace = [NSColorSpace sRGBColorSpace];
        
        CGRect bounds = { CGPointZero, desiredSize };
        // if you'd rather give size as a scale factor from the PDF's logical "size" (which isn't in pixels), could use NSImageHintCTM instead and pass NULL for proposedRect
        CGImageRef rasterizedIm = [pdfImage CGImageForProposedRect:&bounds context:nil hints:@{ kCIContextOutputColorSpace : (id)[desiredColorspace CGColorSpace], NSImageHintCTM : [NSAffineTransform transform] }];
        
        CGImageDestinationRef idst = CGImageDestinationCreateWithURL((__bridge CFURLRef)[NSURL fileURLWithPath:@"/tmp/output.png"], kUTTypePNG, 1, NULL);

kongtomorrow

(define (cons a b) 
  (define (dispatch msg)
    (cond ((= msg 0) a)
          ((= msg 1) b)))
  dispatch)

(define (car cell) 
  (cell 0))

(define (cdr cell)