I'm currently adapting my iOS App Bus Stops for iOS 13. It shows the schedule for nearby bus stops in the wider London area. For the next iOS version I decided to
New summary() method for warnings() with a (somewhat experimental) print() method. The S4 methods on Ops() for the "structure" class no longer cause infinite recursion when the structure is not an S4 object. from Pocket http://ift.tt/2oU3fNe via IFTTT