Kotlin メモ : useLines

Reader.useLines public inline fun <T> Reader.useLines(block: (Sequence<String>) -> T): T = buffered().use { block(it.lineSequence()) } val reader: Reader = ... reader.buffered().use { val sequence : Sequence<String> = it.lineSequence() ... } ↓ val reader: Reader = ... reader.useLines { val sequence : Sequence<String> = it ... }