hvsw

func divide(x: Float, _ y: Float) throws -> Float {
    guard x != 0 else {
        throw DivisionErrorEnum.DividendIsZero(message: "You’re trying to divide 0")
    }

    guard y != 0 else {
        throw DivisionErrorEnum.DivisorIsZero(message: "You’re trying to divide \(x) by 0")
    }

    return x/y

hvsw

enum DivisionErrorEnum: ErrorType {
    case DividendIsZero(message: String)
    case DivisorIsZero(message: String)
}

hvsw

enum MyError: ErrorType {
    case AnError,
    case AnotherError(message: String)
}

hvsw

protocol ErrorType {
    var _domain: Swift.String { get }
    var _code: Swift.Int { get }
}

extension ErrorType {
    public var _domain: String {
      return String(reflecting: self.dynamicType)
    }
}

hvsw

public protocol ErrorType {}
extension ErrorType {}

hvsw

// Developer/Library/Frameworks/SenTestingKit.framework/Headers/SenTestCaseRun.h
SENTEST_EXPORT NSString * const SenTestCaseDidStartNotification;
SENTEST_EXPORT NSString * const SenTestCaseDidStopNotification;
SENTEST_EXPORT NSString * const SenTestCaseDidFailNotification;

// Developer/Library/Frameworks/SenTestingKit.framework/Headers/SenTestDistributedNotifier.h
SENTEST_EXPORT NSString * const SenTestNotificationIdentifierKey;

// Developer/Library/Frameworks/SenTestingKit.framework/Headers/SenTestSuiteRun.h
SENTEST_EXPORT NSString * const SenTestSuiteDidStartNotification;