Column

@Composable
fun SimpleColumn() {
    Column {
        // The child with no weight will have the specified size.
        Box(Modifier.size(40.dp, 80.dp).background(Color.Magenta))
        // Has weight, the child will occupy half of the remaining height.
        Box(Modifier.width(40.dp).weight(1f).background(Color.Yellow))
        // Has weight and does not fill, the child will occupy at most half of the remaining height.
        // Therefore it will occupy 80.dp (its preferred height) if the assigned height is larger.
        Box(
            Modifier.size(40.dp, 80.dp)
                .weight(1f, fill = false)
                .background(Color.Green)
        )
    }
}