Author: autrijus
Date: Sat Apr 1 10:32:53 2006
New Revision: 8520
Modified:
doc/trunk/design/syn/S02.pod
Log:
* S02: destill the compoments of an Arguments object, and
specify the $() @() %() &() casting forms for them.
Modified: doc/trunk/design/syn/S02.pod
==============================================================================
--- doc/trunk/design/syn/S02.pod (original)
+++ doc/trunk/design/syn/S02.pod Sat Apr 1 10:32:53 2006
@@ -14,7 +14,7 @@
Date: 10 Aug 2004
Last Modified: 1 Apr 2006
Number: 2
- Version: 18
+ Version: 19
This document summarizes Apocalypse 2, which covers small-scale
lexical items and typological issues. (These Synopses also contain
@@ -393,6 +393,17 @@
bound to. Some bindings are sensitive to multiple dimensions while
others are not.
+You may cast C<Arguments> to other types with a prefix sigil operator:
+
+ $args = \3; # same as "$args = \(3)"
+ $$args; # same as "$args as Scalar" or "Scalar($args)"
+ @$args; # same as '$args as Array" or "Array($args)"
+ %$args; # same as '$args as Hash" or "Hash($args)"
+ &$args; # same as '$args as Code" or "Hash($args)"
+
+Casted as an array, you can access to all positionals. Casted as a hash, all
+nameds. As a scalar, the invocant. As a code, the slurpy nameless block.
+
=item *
A signature object (C<Signature>) may be created with coloned parens:
@@ -430,7 +441,7 @@
&foo:(Int,Num)
It still just returns a function reference. A call may also be partially
-applied by using a tuple literal as a postfix operator:
+applied by using an argument list literal as a postfix operator:
&foo\(1,2,3,:mice<blind>)
