sebastiangrail

Keybase proof

I hereby claim:

• I am sebastiangrail on github.
• I am sebastiangrail (https://keybase.io/sebastiangrail) on keybase.
• I have a public key ASB09g2HFioYWPCK_gbnKOpv-zQ8mYNxdxk6uTB3Yx80_go

To claim this, I am signing this object:

sebastiangrail

import Result
import ReactiveCocoa
import Foundation
import XCPlayground

XCPlaygroundPage.currentPage.needsIndefiniteExecution = true
    
let producer1 = SignalProducer<AnyObject, NSError> { observer, disposable in
    let task1 = NSURLSession.sharedSession().dataTaskWithURL(NSURL(string:"http://jsonplaceholder.typicode.com/posts/1")!, completionHandler: { (data, response, error) in
        if error != nil {

sebastiangrail

@implementation RACSignal (Animate)

- (RACSignal*)animateWithDuration:(NSTimeInterval)duration {
    return [RACSignal createSignal:^RACDisposable *(id<RACSubscriber> subscriber) {
        return [self subscribeNext:^(id x) {
            [UIView animateWithDuration:duration animations:^{
                [subscriber sendNext:RACTuplePack(x, nil)];
            } completion:^(BOOL finished) {
                [subscriber sendNext:RACTuplePack(x, @(finished))];
            }];

sebastiangrail

@interface RACSignal (Animate)
@end

@implementation RACSignal (Animate)

- (RACSignal*)animateWithDuration:(NSTimeInterval)duration {
    return [RACSignal createSignal:^RACDisposable *(id<RACSubscriber> subscriber) {
        return [self subscribeNext:^(id x) {
            [UIView animateWithDuration:duration animations:^{
                [subscriber sendNext:x];

sebastiangrail

protocol Monoid {
    static func zero () -> Self
    static func append (Self, Self) -> Self
}

protocol NumberType {
    func add(other: Self) -> Self
    func subtract(other: Self) -> Self
    func multiplyWith(other: Self) -> Self
    static func zero () -> Self

sebastiangrail

// make strings appendable
extension String {
    func append (other: String) -> String {
        return self + " " + other
    }
}

// Chainable with append method. Note that strings aren't mutated
"Hi,"
    .append("how")