ref #47 yield

lynglib/src/commonMain/kotlin/net/sergeych/lyng/Script.kt

@@ -1,6 +1,7 @@
 package net.sergeych.lyng
 
 import kotlinx.coroutines.delay
+import kotlinx.coroutines.yield
 import net.sergeych.lyng.obj.*
 import net.sergeych.lyng.pacman.ImportManager
 import net.sergeych.lynon.ObjLynonClass
@@ -187,6 +188,11 @@ class Script(
                 })
             }
 
+            addFn("yield") {
+                yield()
+                ObjVoid
+            }
+
 
             val pi = ObjReal(PI)
             addConst("π", pi)

lynglib/src/commonMain/kotlin/net/sergeych/lyng/obj/ObjDeferred.kt

@@ -1,10 +1,7 @@
 package net.sergeych.lyng.obj
 
 import kotlinx.coroutines.Deferred
-import kotlinx.coroutines.sync.Mutex
-import kotlinx.coroutines.sync.withLock
 import net.sergeych.lyng.Scope
-import net.sergeych.lyng.Statement
 
 open class ObjDeferred(val deferred: Deferred<Obj>): Obj() {
 
@@ -33,19 +30,3 @@ open class ObjDeferred(val deferred: Deferred<Obj>): Obj() {
     }
 }
 
-class ObjMutex(val mutex: Mutex): Obj() {
-    override val objClass = type
-
-    companion object {
-        val type = object: ObjClass("Mutex") {
-            override suspend fun callOn(scope: Scope): Obj {
-                return ObjMutex(Mutex())
-            }
-        }.apply {
-            addFn("withLock") {
-                val f = requiredArg<Statement>(0)
-                thisAs<ObjMutex>().mutex.withLock { f.execute(this) }
-            }
-        }
-    }
-}

lynglib/src/commonMain/kotlin/net/sergeych/lyng/obj/ObjMutex.kt

@@ -0,0 +1,23 @@
+package net.sergeych.lyng.obj
+
+import kotlinx.coroutines.sync.Mutex
+import kotlinx.coroutines.sync.withLock
+import net.sergeych.lyng.Scope
+import net.sergeych.lyng.Statement
+
+class ObjMutex(val mutex: Mutex): Obj() {
+    override val objClass = type
+
+    companion object {
+        val type = object: ObjClass("Mutex") {
+            override suspend fun callOn(scope: Scope): Obj {
+                return ObjMutex(Mutex())
+            }
+        }.apply {
+            addFn("withLock") {
+                val f = requiredArg<Statement>(0)
+                thisAs<ObjMutex>().mutex.withLock { f.execute(this) }
+            }
+        }
+    }
+}