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updates in FSM

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InsanusMokrassar
2021-12-26 21:06:26 +06:00
parent 3d2196e35d
commit f037ce4371
6 changed files with 140 additions and 28 deletions
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27
common/src/commonMain/kotlin/dev/inmo/micro_utils/common/Optional.kt
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@@ -21,8 +21,10 @@ import kotlinx.serialization.Serializable
*/
@Serializable
data class Optional<T> internal constructor(
internal val data: T?,
internal val dataPresented: Boolean
@Warning("It is unsafe to use this data directly")
val data: T?,
@Warning("It is unsafe to use this data directly")
val dataPresented: Boolean
) {
companion object {
/**
@@ -42,17 +44,31 @@ inline val <T> T.optional
/**
* Will call [block] when data presented ([Optional.dataPresented] == true)
*/
fun <T> Optional<T>.onPresented(block: (T) -> Unit): Optional<T> = apply {
inline fun <T> Optional<T>.onPresented(block: (T) -> Unit): Optional<T> = apply {
if (dataPresented) { @Suppress("UNCHECKED_CAST") block(data as T) }
}
/**
* Will call [block] when data presented ([Optional.dataPresented] == true)
*/
inline fun <T, R> Optional<T>.mapOnPresented(block: (T) -> R): R? = run {
if (dataPresented) { @Suppress("UNCHECKED_CAST") block(data as T) } else null
}
/**
* Will call [block] when data absent ([Optional.dataPresented] == false)
*/
fun <T> Optional<T>.onAbsent(block: () -> Unit): Optional<T> = apply {
inline fun <T> Optional<T>.onAbsent(block: () -> Unit): Optional<T> = apply {
if (!dataPresented) { block() }
}
/**
* Will call [block] when data presented ([Optional.dataPresented] == true)
*/
inline fun <T, R> Optional<T>.mapOnAbsent(block: () -> R): R? = run {
if (!dataPresented) { @Suppress("UNCHECKED_CAST") block() } else null
}
/**
* Returns [Optional.data] if [Optional.dataPresented] of [this] is true, or null otherwise
*/
@@ -67,9 +83,10 @@ fun <T> Optional<T>.dataOrThrow(throwable: Throwable) = if (dataPresented) @Supp
/**
* Returns [Optional.data] if [Optional.dataPresented] of [this] is true, or call [block] and returns the result of it
*/
fun <T> Optional<T>.dataOrElse(block: () -> T) = if (dataPresented) @Suppress("UNCHECKED_CAST") (data as T) else block()
inline fun <T> Optional<T>.dataOrElse(block: () -> T) = if (dataPresented) @Suppress("UNCHECKED_CAST") (data as T) else block()
/**
* Returns [Optional.data] if [Optional.dataPresented] of [this] is true, or call [block] and returns the result of it
*/
@Deprecated("dataOrElse now is inline", ReplaceWith("dataOrElse", "dev.inmo.micro_utils.common.dataOrElse"))
suspend fun <T> Optional<T>.dataOrElseSuspendable(block: suspend () -> T) = if (dataPresented) @Suppress("UNCHECKED_CAST") (data as T) else block()