用函数引用替换 lambdas 通常会使代码看起来更简洁易懂。
示例:
fun Int.isEven() = this % 2 == 0
fun example() {
val numbers = listOf(1, 2, 4, 7, 9, 10)
val evenNumbers = numbers.filter { it.isEven() }
}
应用修复后:
fun Int.isEven() = this % 2 == 0
fun example() {
val numbers = listOf(1, 2, 4, 7, 9, 10)
val evenNumbers = numbers.filter(Int::isEven)
}