Or while we're sharing, here's mine in Obj-C++ (although I never managed to extract it into a separate package): https://github.com/viewfinderco/viewfinder/blo

Or while we're sharing, here's mine in Obj-C++ (although I never managed to extract it into a separate package): https://github.com/viewfinderco/viewfinder/blob/master/clients/ios/Source/UIView+constraints.h https://github.com/viewfinderco/viewfinder/blob/master/clien... [self addConstraints:box.anchorWidth == 50]; [self addConstraints:box.anchorHeight == 50]; [self addConstraints:box.anchorCenterX == self.view.anchorCenterX]; [self addConstraints:box.anchorCenterY == self.view.anchorCenterY];