Added 'map' and 'or' operators

async/src/main/kotlin/io/github/anvell/async/Async.kt

@@ -49,7 +49,6 @@ data class Success<out T>(val value: T) : Async<T>() {
     fun peek() = value
 }
 
-
 /**
  * Represents failure when loading the `value` and stores corresponding [error].
  */

async/src/main/kotlin/io/github/anvell/async/Map.kt

@@ -0,0 +1,10 @@
+package io.github.anvell.async
+
+inline fun <R, T> Async<T>.map(
+    transform: (value: T) -> R
+): Async<R> = when (this) {
+    is Uninitialized -> Uninitialized
+    is Loading -> Loading
+    is Success -> Success(transform(value))
+    is Fail -> Fail(error)
+}

async/src/main/kotlin/io/github/anvell/async/Or.kt

@@ -0,0 +1,10 @@
+package io.github.anvell.async
+
+inline fun <T> Async<T>.or(
+    transform: (error: Throwable) -> Async<T>
+): Async<T> = when (this) {
+    is Uninitialized -> Uninitialized
+    is Loading -> Loading
+    is Success -> Success(value)
+    is Fail -> transform(error)
+}