Author: audreyt
Date: Sun Mar 11 14:17:24 2007
New Revision: 14335


* S06: Add the "only" routine modifier.

  Also state explicitly that modifiers cannot apply
  on anonymous routines.

Modified: doc/trunk/design/syn/S06.pod
--- doc/trunk/design/syn/S06.pod        (original)
+++ doc/trunk/design/syn/S06.pod        Sun Mar 11 14:17:24 2007
@@ -13,9 +13,9 @@
   Maintainer: Larry Wall <[EMAIL PROTECTED]>
   Date: 21 Mar 2003
-  Last Modified: 11 Mar 2007
+  Last Modified: 12 Mar 2007
   Number: 6
-  Version: 76
+  Version: 77
 This document summarizes Apocalypse 6, which covers subroutines and the
@@ -59,20 +59,29 @@
 B<Prototypes> (keyword: C<proto>) specify the commonalities (such
 as parameter names, fixity, and associativity) shared by all multis
 of that name in the scope of the C<proto> declaration.  A C<proto>
-also forces all routines of the same short name within the scope to
-be considered C<multi> whether they are explicitly declared so or not.
+also adds an implicit C<multi> to all routines of the same short
+name within its scope, unless they have an explicit modifier.
 (This is particularly useful when adding to rule sets or when attempting
 to compose conflicting methods from roles.)
+C<Only> (keyword: C<only>) routines do not share its short name
+with other routines.  This is the default modifier for all routines,
+unless a C<proto> of the same name was already in scope.
 A modifier keyword may occur before the routine keyword in a named routine:
+    only sub foo {...}
     proto sub foo {...}
     multi sub foo {...}
+    only method bar {...}
     proto method bar {...}
     multi method bar {...}
 If the routine keyword is omitted, it defaults to C<sub>.
+Modifier keywords cannot apply to anonymous routines.
 =head2 Named subroutines
 The general syntax for named subroutines is any of:

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