// The bare-VISIBLE author: a one-field generic `Box` (size 8) with a BY-VALUE
// receiver method `dbl` (`self: Box`). `b.sx` flat-imports `c.sx`, so a file
// importing only b.sx reaches `c.Box` at two hops and must NOT dispatch to it.
Box :: struct($T: Type) {
    x: T;

    make :: (value: T) -> Box(T) {
        .{ x = value }
    }

    dbl :: (self: Box) -> T {
        self.x * 2
    }
}

#import "c.sx";