commonMain.net.codinux.csv.Closeable.kt Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of kCSV-jvm Show documentation

Port of FastCSV, an ultra fast and simple RFC 4180 compliant CSV library, for Kotlin Multiplatform

The newest version!

package net.codinux.csv

import kotlin.contracts.ExperimentalContracts
import kotlin.contracts.InvocationKind
import kotlin.contracts.contract

interface Closeable {

  @Throws(IOException::class)
  fun close()

}

@OptIn(ExperimentalContracts::class)
inline fun  T.use(block: (T) -> R): R {
  contract {
    callsInPlace(block, InvocationKind.EXACTLY_ONCE)
  }

  var exception: Throwable? = null
  try {
    return block(this)
  } catch (e: Throwable) {
    exception = e
    throw e
  } finally {
    when {
      this == null -> {}
      exception == null -> close()
      else ->
        try {
          close()
        } catch (closeException: Throwable) {
          // cause.addSuppressed(closeException) // ignored here
        }
    }
  }
}