Index: tests/coroutine/prodcons.c
===================================================================
--- tests/coroutine/prodcons.c	(revision 5dd3098e9e661dd1d65b8c0726ee75eded62dafa)
+++ tests/coroutine/prodcons.c	(revision 18cf979775b84cebbd87600b17950feae8295af5)
@@ -10,6 +10,6 @@
 // Created On       : Mon Sep 18 12:23:39 2017
 // Last Modified By : Peter A. Buhr
-// Last Modified On : Tue Dec 11 21:58:25 2018
-// Update Count     : 52
+// Last Modified On : Wed Dec 12 23:04:49 2018
+// Update Count     : 53
 //
 
@@ -24,5 +24,5 @@
 
 coroutine Prod {
-	Cons * c;
+	Cons & c;
 	int N, money, receipt;
 };
@@ -30,13 +30,11 @@
 	// 1st resume starts here
 	for ( i; N ) {										// N pairs of values
-		int p1 = random( 100 );
-		int p2 = random( 100 );
+		int p1 = random( 100 ), p2 = random( 100 );
 		sout | p1 | " " | p2;
-		int status = delivery( *c, p1, p2 );
-		sout | " $" | money;
-		sout | status;
+		int status = delivery( c, p1, p2 );
+		sout | " $" | money | nl | status;
 		receipt += 1;
 	}
-	stop( *c );
+	stop( c );
 	sout | "prod stops";
 }
@@ -47,19 +45,17 @@
 }
 void start( Prod & prod, int N, Cons &c ) {
-	prod.N = N;
-	prod.c = &c;
-	prod.receipt = 0;
+	&prod.c = &c;
+	prod.[N, receipt] = [N, 0];
 	resume( prod );										// activate main
 }
 
 coroutine Cons {
-	Prod * p;
+	Prod & p;
 	int p1, p2, status;
 	bool done;
 };
 void ?{}( Cons & cons, Prod & p ) {
-	cons.p = &p;
-	cons.status = 0;
-	cons.done = false;
+	&cons.p = &p;
+	cons.[status, done ] = [0, false];
 }
 void ^?{}( Cons & cons ) {}
@@ -68,8 +64,7 @@
 	int money = 1, receipt;
 	for ( ; ! done; ) {
-		sout | p1 | " " | p2;
-		sout | " $" | money;
+		sout | p1 | " " | p2 | nl | " $" | money;
 		status += 1;
-		receipt = payment( *p, money );
+		receipt = payment( p, money );
 		sout | " #" | receipt;
 		money += 1;
@@ -78,6 +73,5 @@
 }
 int delivery( Cons & cons, int p1, int p2 ) {
-	cons.p1 = p1;
-	cons.p2 = p2;
+	cons.[p1, p2] = [p1, p2];
 	resume( cons );										// main 1st time, then
 	return cons.status;									// cons in payment