bricklife

import UIKit

private func angle(_ degree: Double) -> CGFloat {
    return CGFloat(Double.pi * degree / 180.0)
}

let bounds = CGRect(x: 0, y: 0, width: 150, height: 100)

// corner radius for bottom right, bottom left, top left, and top right
let r: (CGFloat, CGFloat, CGFloat, CGFloat) = (5, 10, 20, 40)

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import ReactiveSwift
import enum Result.NoError

extension BindingSource {
    
    @discardableResult
    func bind<P: BindingTargetProvider>(to provider: P) -> Disposable? where P.Value == Value, Error == NoError {
        return provider <~ self
    }
    

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let hexString = "0123456789abcdefABCDEF"

let bytes = zip(hexString.characters, hexString.characters.dropFirst())
    .enumerated()
    .filter { $0.offset % 2 == 0 }
    .map { String([$0.element.0, $0.element.1]) }
    .flatMap { UInt8($0, radix: 16) }

Data(bytes: bytes) as NSData // <01234567 89abcdef abcdef>

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let hexString = "0123456789abcdefABCDEF"

var bytes = [UInt8]()
var index = hexString.startIndex

while let i = hexString.index(index, offsetBy: 2, limitedBy: hexString.endIndex) {
    let byteLiteral = hexString.substring(with: index..<i)
    guard let byte = UInt8(byteLiteral, radix: 16) else { continue }
    bytes.append(byte)
    index = i

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let hexString = "0123456789abcdefABCDEF"

let even = hexString.characters.enumerated().filter { $0.offset % 2 == 0 }.map { $0.element }
let odd  = hexString.characters.enumerated().filter { $0.offset % 2 == 1 }.map { $0.element }

let bytes = zip(even, odd).flatMap { UInt8(String([$0.0, $0.1]), radix: 16) }

Data(bytes: bytes) as NSData // <01234567 89abcdef abcdef>

bricklife

//
//  BLEPeripheral.swift
//  BLEPeripheral
//
//  Created by ooba on 26/07/2017.
//  Copyright © 2017 mercari. All rights reserved.
//

import Foundation
import CoreBluetooth

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//
//  BLEDump.swift
//  BLEDump
//
//  Created by Shinichiro Oba on 2017/07/25.
//  Copyright © 2017 Shinichiro Oba. All rights reserved.
//

import Foundation
import CoreBluetooth

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//: Playground - noun: a place where people can play

import UIKit

func createImage(text: String, fontSize: CGFloat, imageSize: CGSize) -> UIImage? {
    UIGraphicsBeginImageContextWithOptions(imageSize, false, 0)
    guard let context = UIGraphicsGetCurrentContext() else { return nil }
    
    let rect = CGRect(x: 0, y: 0, width: imageSize.width, height: imageSize.height)
    

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import Foundation
import APIKit
import RxSwift
import ReactiveSwift
import Result

extension Session : RxSwift.ReactiveCompatible {}

extension RxSwift.Reactive where Base: Session {
    

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#!/usr/bin/env python

import lldb

def process(debugger, command, result, internal_dict):
    lldb.debugger.HandleCommand("""
    expr -l swift --
    func $process(object: AnyObject) {
        func json(object: AnyObject) -> String {
            if let data = try? NSJSONSerialization.dataWithJSONObject(object, options: .PrettyPrinted) {