commonMain.kotlinx.io.core.Closeable.kt Maven / Gradle / Ivy

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IO support libraries for Kotlin

There is a newer version: 0.1.16

package kotlinx.io.core

expect interface Closeable {
    fun close()
}

inline fun  C.use(block: (C) -> R): R {
    var closed = false

    return try {
        block(this)
    } catch (first: Throwable) {
        try {
            closed = true
            close()
        } catch (second: Throwable) {
            first.addSuppressedInternal(second)
        }

        throw first
    } finally {
        if (!closed) {
            close()
        }
    }
}

@PublishedApi
internal expect fun Throwable.addSuppressedInternal(other: Throwable)