Author: lwall
Date: 2009-09-28 04:44:17 +0200 (Mon, 28 Sep 2009)
New Revision: 28444
Modified:
docs/Perl6/Spec/S12-objects.pod
Log:
[S12] require parens on .'method'() form
Modified: docs/Perl6/Spec/S12-objects.pod
===================================================================
--- docs/Perl6/Spec/S12-objects.pod 2009-09-27 17:32:48 UTC (rev 28443)
+++ docs/Perl6/Spec/S12-objects.pod 2009-09-28 02:44:17 UTC (rev 28444)
@@ -13,8 +13,8 @@
Created: 27 Oct 2004
- Last Modified: 7 Sep 2009
- Version: 87
+ Last Modified: 27 Sep 2009
+ Version: 88
=head1 Overview
@@ -296,8 +296,12 @@
$obj."$methodname"(1,2,3) # use contents of $methodname as method name
$obj.'$methodname'(1,2,3) # no interpolation; call method with $ in name!
- $obj!"$methodname" # indirect call to private method name
+ $obj!"$methodname"() # indirect call to private method name
+As an aid to catching Perl 5 brainos, this quoted form always requires
+a parenthesized argument list to distinguish it from code that looks
+like a Perl 5 concatenation.
+
Within an interpolation, the double-quoted form may not contain
whitespace. This does what the user expects in the common case of
a quoted string ending with a period:
@@ -307,7 +311,7 @@
If you really want to call a method with whitespace, you may work
around this restriction with a closure interpolation:
- say "Foo = {$foo."a method"}"; # OK
+ say "Foo = {$foo."a method"()}"; # OK
[Note: to help catch the mistaken use of C<< infix:<.> >> as a string
concatenation operator, Perl 6 will warn you about "useless use of
