Index: src/examples/coroutine.c
===================================================================
--- src/examples/coroutine.c	(revision e4745d7a69e805e1610459cace93880b062586f3)
+++ 	(revision )
@@ -1,71 +1,0 @@
-#include <fstream>
-#include <threads>
-
-struct Fibonacci {
-      coroutine c;
-      coVtable v;
-      int fn; // used for communication
-};
-
-coroutine* this_coroutine(Fibonacci* this);
-void co_main(Fibonacci* this);
-coVtable* vtable(Fibonacci* this);
-
-void co_main_fib(void* this) {
-      co_main( (Fibonacci*) this );
-}
-
-coroutine* this_coroutine_fib(void* this) {
-      return this_coroutine( (Fibonacci*) this);
-}
-
-void ?{}(Fibonacci* this) {
-      this->fn = 0;
-      this->v.main = co_main_fib;
-      this->v.this_coroutine = this_coroutine_fib;
-      start(this);
-}
-
-void co_main(Fibonacci* this) {
-      sout | "Starting main of coroutine " | this | endl;
-      sout | "Started from " | this_coroutine(this)->last | endl;
-      int fn1, fn2; 		// retained between resumes
-      this->fn = 0;
-      fn1 = this->fn;
-      suspend(); 		// return to last resume
-
-      this->fn = 1;
-      fn2 = fn1;
-      fn1 = this->fn;
-      suspend(); 		// return to last resume
-
-      for ( ;; ) {
-            this->fn = fn1 + fn2;
-            fn2 = fn1;
-            fn1 = this->fn;
-            suspend(); 	// return to last resume
-      }
-}
-
-int next(Fibonacci* this) {
-      resume(this); // transfer to last suspend
-      return this->fn;
-}
-
-coroutine* this_coroutine(Fibonacci* this) {
-      return &this->c;
-}
-
-coVtable* vtable(Fibonacci* this) {
-      return &this->v;
-}
-
-int main() {
-      Fibonacci f1;
-      sout | "User coroutine : " | &f1 | endl;
-      for ( int i = 1; i <= 10; i += 1 ) {
-            sout | next(&f1) | endl;
-      }
-
-      return 0;
-}