| package kotlinx.coroutines.experimental |
| |
| 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() |
| } |