[Feature Request] Swipe from top row to type numbers

It would be awesome if you could swipe up or down from the letters in the top row to type the numbers that we currently get from long-pressing those letters. I realize this might conflict with "swipe up to capitalize" or "swipe down to close keyboard", but perhaps the top row can be excluded from one of those gestures? Or a setting that allows the user to choose what swipe up/down does. The standard keyboard on iOS does these number gestures really well. On the iOS keyboard you swipe down from the top row letters go type the corresponding numbers.