pt.x
pt .x
pt.x + pt.y
(Main.pt).x
(MkPoint pt.y pt.x).y
pt.x.squared
map (.x) [MkPoint 1.1 2.5, MkPoint 4.2 6.3]
map .x [MkPoint 1 2, MkPoint 3 4]
map (.topLeft.y) [rect, rect]
rect.topLeft.x + rect.bottomRight.y
Main.Point.(.x) pt
Point.(.x) pt
(.x) pt
.x pt
Main.Point.x pt
Point.x pt
(x) pt
x pt
({ topLeft.x := 3 } rect).topLeft.x
({ topLeft.x $= (+1) } rect).topLeft.x
({ topLeft->x := 3 } rect).topLeft.x
({ topLeft->x $= (+1) } rect).topLeft.x
:q