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fun main() {
val classOne = ClassOne()
val color1 = classOne.obtainColor(context, R.color.my_color)
val classTwo = ClassTwo()
classTwo.obtainColor(R.color.my_color, context.resources::getColor)
class ClassOne() {
fun obtainColor(context: Context, colorRes: Int) = context.resources.getColor(colorRes)
class ClassTwo {
fun obtainColor(colorRes: Int, colorLookup: (Int) -> Int) = colorLookup(colorRes)
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