From 8686962cbc97863a0befadf409471252e3a7392e Mon Sep 17 00:00:00 2001
From: q66 <daniel@octaforge.org>
Date: Wed, 11 Apr 2018 02:27:26 +0200
Subject: [PATCH] catch coroutine error in example

---
 examples/coroutine1.cc | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/examples/coroutine1.cc b/examples/coroutine1.cc
index 4756ff3..35f1ec1 100644
--- a/examples/coroutine1.cc
+++ b/examples/coroutine1.cc
@@ -42,7 +42,13 @@ int main() {
         int val = 5;
         for (int i: range(steps)) {
             writeln("    calling into coroutine...");
-            auto v = f(val);
+            int v;
+            try {
+                v = f(val);
+            } catch (coroutine_error const &e) {
+                writefln("    coroutine failed: %s", e.what());
+                return 0;
+            }
             writefln("    called into coroutine which yielded: %s", v);
             writefln("    call loop iteration %s done", i + 1);
             writefln("    coroutine dead: %s", !f);
@@ -290,6 +296,5 @@ starting main...
     call loop iteration 6 done
     coroutine dead: true
     calling into coroutine...
-terminating with uncaught exception of type ostd::coroutine_error: dead coroutine
-zsh: abort      ./coro
+    coroutine failed: dead coroutine
 */