ReactiveCocoa Swift Extension

gistfile1.swift

//  ReactiveCocoaExtension.swift
//
// Simple ReactiveCocoa Swift extensions using generics
// Created by josafafilho<josafafilho15@gmail.com> on 7/19/15.

import Foundation
import ReactiveCocoa

extension RACSignal {
    func subscribeNextAs<T>(nextClosure:(T) -> ()) -> () {
        self.subscribeNext {
            (next: AnyObject!) -> () in
            let nextAsT = next as! T
            nextClosure(nextAsT)
        }
    }
    
    func filterAs<T>(filterClosure:(T) -> Bool) -> RACSignal {
        return self.filter { filter -> Bool in
            let filterAsT = filter as! T
            return filterClosure(filterAsT)
        }
    }
}