sgr-ksmt

public protocol EnumEnumerable {
    typealias Case = Self
}

public extension EnumEnumerable where Case: Hashable {
    private static var generator: AnyGenerator<Case> {
        var n = 0
        return anyGenerator {
            defer { n += 1 }
            let next = withUnsafePointer(&n) { UnsafePointer<Case>($0).memory }

sgr-ksmt

import RxSwift
import RxCocoa

public extension UIScrollView {
    public var rx_reachedBottom: Observable<Bool> {
        return rx_contentOffset.map { $0.y == (self.contentSize.height - self.frame.height) }
    }
}

sgr-ksmt

let view = UIView(frame: CGRectZero)
// ↓
let view = UIView(frame: CGRect.zero)
// ↓
let view = UIView(frame: .zero)

sgr-ksmt

# rules
#- colon
#- control_statement
#- file_length
#- force_cast
#- function_body_length
#- leading_whitespace
#- line_length
#- nesting
#- operator_whitespace

sgr-ksmt

public protocol FilePathConvertible {
    var filePath: String { get }
    var fileURL: NSURL { get }
}

extension String: FilePathConvertible {
    public var filePath: String {
        return self
    }
    public var fileURL: NSURL {

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

public protocol EnumEnumerable {
    associatedtype Case = Self
}

public extension EnumEnumerable where Case: Hashable {
    private static var iterator: AnyIterator<Case> {
        var n = 0
        return AnyIterator {
            defer { n += 1 }
            let next = withUnsafePointer(&n) { UnsafePointer<Case>($0).pointee }

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]}