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msymt/mutablelist.kt

Created May 27, 2020 02:29
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ジェネりくすと拡張関数
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mutablelist.kt
fun <T> MutableList<T>.swap(index1: Int, index2: Int) {
val tmp = this[index1]
this[index1] = this[index2]
this[index2] = tmp
}
/*
参考
https://dogwood008.github.io/kotlin-web-site-ja/docs/reference/extensions.html
*/
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