fastLinearToSlowEaseIn constant Null safety
A curve that is very steep and linear at the beginning, but quickly flattens out and very slowly eases in.
By default is the curve used to animate pages on iOS back to their original position if a swipe gesture is ended midway through a swipe.
Implementation
static const Cubic fastLinearToSlowEaseIn = Cubic(0.18, 1.0, 0.04, 1.0);