X-Git-Url: http://git.vpit.fr/?a=blobdiff_plain;f=lib%2FScope%2FUpper.pm;h=ba26e61291537cb5049c51732a7ecc25036f8247;hb=086bb57f3e5a02fc333105c08b3ce99318f94fe6;hp=a315552a6479e83c0121400c3a826e7eece1ebb9;hpb=700ce600c7f40f6889a4b11f21fe45eff6040335;p=perl%2Fmodules%2FScope-Upper.git

diff --git a/lib/Scope/Upper.pm b/lib/Scope/Upper.pm
index a315552..ba26e61 100644
--- a/lib/Scope/Upper.pm
+++ b/lib/Scope/Upper.pm
@@ -56,6 +56,26 @@ BEGIN {
      ...
     } # "pie: done" is printed
 
+    package Z;
+
+    use Scope::Upper qw/unwind want_at :words/;
+
+    sub try (&) {
+     my @result = shift->();
+     my $cx = SUB UP SUB;
+     unwind +(want_at($cx) ? @result : scalar @result) => $cx;
+    }
+
+    ...
+
+    sub zap {
+     try {
+      return @things; # returns to try() and then outside zap()
+     }
+    }
+
+    my @what = zap(); # @what contains @things
+
 =head1 DESCRIPTION
 
 This module lets you defer actions that will take place when the control flow returns into an upper scope.