Support suspending extension functions

2016-07-05 18:25:09 +03:00
parent 2cc09f928e
commit 3a59e1d222
9 changed files with 167 additions and 11 deletions
@@ -0,0 +1,36 @@
+@AllowSuspendExtensions
+class Controller {
+    suspend fun String.suspendHere(x: Continuation<String>) {
+        x.resume(this)
+    }
+
+    inline suspend fun String.inlineSuspendHere(x: Continuation<String>) {
+        suspendHere(x)
+    }
+}
+
+suspend fun Controller.suspendExtension(v: String, x: Continuation<String>) {
+    v.suspendHere(x)
+}
+
+inline suspend fun Controller.inlineSuspendExtension(v: String, x: Continuation<String>) {
+    v.inlineSuspendHere(x)
+}
+
+fun builder(coroutine c: Controller.() -> Continuation<Unit>) {
+    c(Controller()).resume(Unit)
+}
+
+fun box(): String {
+    var result = ""
+
+    builder {
+        if ("56".suspendHere() != "56") throw java.lang.RuntimeException("fail 1")
+        if ("28".inlineSuspendHere() != "28") throw java.lang.RuntimeException("fail 2")
+
+        if (suspendExtension("123") != "123") throw java.lang.RuntimeException("fail 3")
+        result = inlineSuspendExtension("OK")
+    }
+
+    return result
+}