Android: Espresso: First element of selection

fun <T> first(matcher: Matcher<T>): Matcher<T> {
    return object : BaseMatcher<T>() {
        internal var isFirst = true
        override fun matches(item: Any): Boolean {
            if (isFirst && matcher.matches(item)) {
                isFirst = false

                return true

            }

            return false

        }

        override fun describeTo(description: Description) {
            description.appendText("should return first matching item")
        }
    }
}