stevencurtis

extension String.StringInterpolation {
    mutating func appendInterpolation(currency value: Int) {
        let formatter = NumberFormatter()
        formatter.numberStyle = .currency
        formatter.currencyCode = "GBP"

        if let result = formatter.string(from: value as NSNumber) {
            appendLiteral(result)
        }
    }

mackuba

Here's my own list of the interesting stuff announced during this year's WWDC, collected from the keynotes, various Apple docs, blog posts and tweets.

If you're planning to watch the videos, I really recommend this Mac app that helps you download and watch them: https://github.com/insidegui/WWDC.

OS X El Capitan

http://www.apple.com/osx/elcapitan-preview/

• split view - two apps side by side on full screen