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/*
* Copyright 2016-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license.
*/
package kotlinx.coroutines.examples
import java.text.*
import java.util.*
public class Try<out T> private constructor(private val _value: Any?) {
private class Fail(val exception: Throwable) {
override fun toString(): String = "Failure[$exception]"
}
public companion object {
public operator fun <T> invoke(block: () -> T): Try<T> =
try { Success(block()) } catch(e: Throwable) { Failure<T>(e) }
public fun <T> Success(value: T) = Try<T>(value)
public fun <T> Failure(exception: Throwable) = Try<T>(Fail(exception))
}
@Suppress("UNCHECKED_CAST")
public val value: T get() = if (_value is Fail) throw _value.exception else _value as T
public val exception: Throwable? get() = (_value as? Fail)?.exception
override fun toString(): String = _value.toString()
}
fun log(msg: String) = println("${SimpleDateFormat("yyyyMMdd-HHmmss.sss").format(Date())} [${Thread.currentThread().name}] $msg")
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