gistfile1.m

@property (nonatomic, weak) UIView *someViewA;
@property (nonatomic, weak) UIView *someViewB;

- (void)someMethod
{
	NSLog(@"view: %@", self.someViewA); // Prints a nil value
	NSLog(@"view: %@", self.someViewB); // Prints the view
}

- (UIView *)someViewA
{
	if (nil == _someViewA) {
		_someViewA = [[UIView alloc] init];
	}
	
	return _someViewA;
}

- (UIView *)someView
{
	UIView *view = nil;

	if (nil == _someViewB) {
		view = [[UIView alloc] init];
		_someViewB = view
	}
	
	return _someViewB;
}