divergeDepth works, but why is intersection only defined as liftM2 or wht is tht ?
divergeDepth works, but why is intersection only defined as liftM2 or wht is tht ?

*Main> divergeDepth 30 [(1,1),(2,2),(300,3000000000000000000)]
3
*Main> divergeDepth 2 [(1,1),(2,2),(300,3000000000000000000)]
2
*Main> divergeDepth 1 [(1,1),(2,2),(300,3000000000000000000)]
1

pflanze/mandelbrot,pflanze/mandelbrot,pflanze/mandelbrot