asharov

  function prependNilObject(stream) {
    var nilValue = {};
    for (var i = 1; i < arguments.length; ++i) {
      nilValue[arguments[i]] = null;
    }
    var nilStream = Rx.Observable.returnValue(nilValue);
    return nilStream.concat(stream);
  }

asharov

Keybase proof

I hereby claim:

• I am asharov on github.
• I am ashar (https://keybase.io/ashar) on keybase.
• I have a public key whose fingerprint is 96CC 11C7 B3EA D9B9 30BD 1B25 F57B 3466 9FFF 57FF

To claim this, I am signing this object:

asharov

import Foundation
import Nimble

public func roundTripFromJson<T: Codable>(throughType type: T.Type) -> Predicate<Data> {
  return Predicate { (actualExpression: Expression<Data>) throws -> PredicateResult in
    guard let initialData = try actualExpression.evaluate() else {
      return PredicateResult(status: .fail, message: .fail("expected a non-<nil> Data"))
    }
    let object = try JSONDecoder().decode(type, from: initialData)
    let encodedData = try JSONEncoder().encode(object)