Removed in LÖVE 0.9.0
It has been moved to Joystick:getHatCount.
Returns the number of hats on the joystick.
hats = love.joystick.getNumHats( joystick )
number joystick
number hats
© 2006–2016 LÖVE Development Team
Licensed under the GNU Free Documentation License, Version 1.3.
https://love2d.org/wiki/love.joystick.getNumHats