Paweł Jankowski paweljankowski

## swift_arrays.swift
import Foundation

protocol Foo: AnyObject { }

class Bar: Foo { }

let z = NSSet(array: [Bar(), Bar()])
let x = z.allObjects as? [Foo]
if x != nil {
  print("Success")

## keybase.md

      
        
          
            
              
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                paweljankowski
                / keybase.md
            
            
              Created
              August 16, 2016 17:45
            
          
        
      
        
  
      
    Keybase proof

I hereby claim:

I am paweljankowski on github.
I am paweljankowski (https://keybase.io/paweljankowski) on keybase.
I have a public key whose fingerprint is 16BD 5BA7 CA93 D903 B88E  C98A CC25 C3AE 7A20 C61C

To claim this, I am signing this object:
	import Foundation

	protocol Foo: AnyObject { }

	class Bar: Foo { }

	let z = NSSet(array: [Bar(), Bar()])
	let x = z.allObjects as? [Foo]
	if x != nil {
	print("Success")