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• java.lang.AutoCloseable.kt

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name.remal.java.lang.AutoCloseable.kt Maven / Gradle / Ivy

package name.remal

inline fun  T.use(block: (T) -> R): R {
    var closed = false
    try {
        return block(this)

    } catch (e: Exception) {
        closed = true
        try {
            this?.close()
        } catch (closeException: Exception) {
            e.addSuppressed(closeException)
        }
        throw e

    } finally {
        if (!closed) {
            this?.close()
        }
    }
}