sgr-ksmt

import Foundation
import UIKit

typealias Replacer = String -> String

extension String {
    var first: String {
        return String(characters.prefix(1))
    }
}

sgr-ksmt

public extension String {
    public func split(length: Int) -> [String] {
        let array = self.characters.map { String($0) }
        let limit = self.characters.count
        return 0
            .stride(to: limit, by: length)
            .map({
                array[$0..<$0.advancedBy(length, limit: limit)].joinWithSeparator("")
            })
    }

sgr-ksmt

import Foundation
import UIKit

enum NotificationKey: String {
    case Hoge
}

//--------------- pattern1: use protocol-extension
protocol NSNotificationObservable: RawRepresentable {
    var rawValue: String { get }

sgr-ksmt

#!/bin/bash

calc_percentage() {
    echo "$1/$2*100" | bc -l | awk '{s=($0<0)?-1:1;print int($0*s*100+0.5)/100/s;}'
}

arr=($(cloc --exclude-dir=Pods,Carthage --include-lang=Swift,Objective\ C ./ | sed -e '1,5d' | sed 's/-//g' | sed 's/Objective C/ObjectiveC/g' | awk '{print $5}' | grep -v -e 'code' -e '^S*$'))
swift_files=${arr[0]}
objc_files=${arr[1]}
sum=${arr[2]}

sgr-ksmt

extension UIView {
    static func animateIfNeeded(animated: Bool, duration: NSTimeInterval, animations: () -> Void, completion: ((Bool) -> Void)?) {
        if animated {
            self.animateWithDuration(duration, animations: animations, completion: completion)
        } else {
            animations()
            completion?(true)
        }
    }
}

sgr-ksmt

extension ReusableTableViewCell {
    static var cellIdentifier: String {
        return String(self)
    }
}

sgr-ksmt

#!/usr/bin/env xcrun swift

let arguments = Array(Process.arguments.dropFirst())
print(arguments.joinWithSeparator(","))

sgr-ksmt

DispatchQueue.main.asyncAfter(deadline: .now() + __var__) {
    
}

sgr-ksmt

extension CustomStringConvertible where Self: RawRepresentable {
    var description: String {
        return String(describing: self.rawValue)
    }
}

enum Hoge: Int, CustomStringConvertible {
    case a
}

sgr-ksmt

_ = (Date(timeIntervalSinceNow: -100)..<Date()) ~= Date(timeIntervalSinceNow: -50)
// true