Common interface for Spacers in Column and Row

Gap.kt

package com.example.android.codelab.animationdemo.ui

import androidx.compose.foundation.layout.Column
import androidx.compose.foundation.layout.ColumnScope
import androidx.compose.foundation.layout.Row
import androidx.compose.foundation.layout.RowScope
import androidx.compose.foundation.layout.Spacer
import androidx.compose.foundation.layout.height
import androidx.compose.foundation.layout.width
import androidx.compose.material.Text
import androidx.compose.runtime.Composable
import androidx.compose.ui.Modifier
import androidx.compose.ui.unit.Dp
import androidx.compose.ui.unit.dp

@Composable
fun ColumnScope.Gap(height: Dp) = Spacer(modifier = Modifier.height(height))

@Composable
fun RowScope.Gap(width: Dp) = Spacer(modifier = Modifier.width(width))

@Composable
fun Usage() {
    Column {
        Text("A")
        Gap(8.dp)
        Text("B")
        Gap(8.dp)
        Row {
            Text("C")
            Gap(24.dp)
            Text("D")
        }
    }
}