From 19de2cf4deccae977035aa8f4cdca8fc6d8fb4fc Mon Sep 17 00:00:00 2001
From: Moritz Lenz <moritz@faui2k3.org>
Date: Sat, 11 Aug 2012 15:49:41 +0200
Subject: [PATCH] [operators] let and temp

---
 lib/operators.pod | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/lib/operators.pod b/lib/operators.pod
index e7cb14d82..c7431bb6b 100644
--- a/lib/operators.pod
+++ b/lib/operators.pod
@@ -481,4 +481,22 @@ details.
 Creates a I<one> L<Junction> from its arguments. See L<Junction> for more
 details.
 
+=head1 Named Unary Precedence
+
+=head2 prefix temp
+
+    sub prefix:<temp>(Mu $a is rw)
+
+"temporizes" the variable passed as the argument, which means it is reset
+to its old value on scope exit. (This is similar to the
+L<local|http://perldoc.perl.org/functions/local.html> operator in Perl 5,
+except that C<temp> does not reset the value).
+
+=head2 prefix let
+
+    sub prefix:<let>(Mu $a is rw)
+
+Hypothetical reset: if the current scope is exited either through an exception
+or C<fail()>, the old value is restored.
+
 =end pod