fix ractor's doc. [ci skip]

1 files changed, 14 insertions, 6 deletions

diff --git a/ractor.c b/ractor.c
index 5937ac65bb..35fbc89a29 100644
--- a/ractor.c
+++ b/ractor.c
@@ -1935,16 +1935,25 @@ ractor_moved_missing(int argc, VALUE *argv, VALUE self)
  *  ClosedError is a descendant of StopIteration, so the closing of the ractor will break
  *  the loops without propagating the error:
  *
- *     r = Ractor.new { 3.times { puts "Received: " + receive } }
+ *     r = Ractor.new do
+ *       loop do
+ *         msg = receive # raises ClosedError and loop traps it
+ *         puts "Received: #{msg}"
+ *       end
+ *       puts "loop exited"
+ *     end
  *
- *     loop { r.send "test" }
+ *     3.times{|i| r << i}
+ *     r.close_incoming
+ *     r.take
  *     puts "Continue successfully"
  *
  *  This will print:
  *
- *     Received: test
- *     Received: test
- *     Received: test
+ *     Received: 0
+ *     Received: 1
+ *     Received: 2
+ *     loop exited
  *     Continue successfully
  */
 
@@ -2004,7 +2013,6 @@ ractor_moved_missing(int argc, VALUE *argv, VALUE self)
  *
  */
 
-
 void
 Init_Ractor(void)
 {