Here's another one I like better because it allows...

# splitties

[louiscad]

Here's another one I like better because it allows setting insets for both top and bottom (important as setting a window inset listener replaces any previously set one):

enum class InsetType { None, Padding, Margin }
fun View.inset(top: InsetType = None, bottom: InsetType = None)

[louiscad]

Here's the current implementation

ViewWindowInsets.kt