 /// Asserts the equality of two arrays of Equatable values.
 ///
 /// Returns the array, if equal and non-nil.
-public func assertEqual<T: Equatable>(@autoclosure expression1: () -> [T]?, @autoclosure expression2: () -> [T]?, _ message: String = "", _ file: String = __FILE__, _ line: UInt = __LINE__) -> [T]? {
+public func assertEqual<T: Equatable>(@autoclosure expression1: () -> [T]?, @autoclosure _ expression2: () -> [T]?, _ message: String = "", _ file: String = __FILE__, _ line: UInt = __LINE__) -> [T]? {
 	return assertExpected(expression1(), ==, expression2(), message, file, line)
 }
 

/// This is useful for asserting the equality of collections which only define equality for Equatable element types.
///
///		assert(x, ==, y)
public func assert<T>(@autoclosure expression1: () -> T?, test: (T, T) -> Bool, @autoclosure expression2: () -> T, message: String = "", file: String = __FILE__, line: UInt = __LINE__) -> T? {
	return assertExpected(expression1(), test, expression2(), message, file, line)
}


/// This is useful for asserting the equality of collections which only define equality for Equatable element types.
///
///		assert(x, ==, y)
public func assert<T, U>(@autoclosure expression1: () -> T, _ test: (T, U) -> Bool, @autoclosure _ expression2: () -> U, message: String = "", file: String = __FILE__, line: UInt = __LINE__) -> T? {
	return assertExpected(expression1(), test, expression2(), message, file, line)
}

