Author: lwall
Date: 2010-06-18 01:49:13 +0200 (Fri, 18 Jun 2010)
New Revision: 31337
Modified:
docs/Perl6/Spec/S02-bits.pod
Log:
[S02] allow _ between radix and digits as suggested by ajs++
Modified: docs/Perl6/Spec/S02-bits.pod
===================================================================
--- docs/Perl6/Spec/S02-bits.pod 2010-06-17 21:54:34 UTC (rev 31336)
+++ docs/Perl6/Spec/S02-bits.pod 2010-06-17 23:49:13 UTC (rev 31337)
@@ -3042,6 +3042,8 @@
A single underscore is allowed only between any two digits in a
literal number, where the definition of digit depends on the radix.
+(A single underscore is also allowed between a radix prefix and a
+following digit, as explained in the next section.)
Underscores are not allowed anywhere else in any numeric literal,
including next to the radix point or exponentiator, or at the beginning
or end.
@@ -3056,6 +3058,13 @@
0d base 10, digits 0..9
0x base 16, digits 0..9,a..f (case insensitive)
+Each of these allows an optional underscore after the radix prefix
+but before the first digit. These all mean the same thing:
+
+ 0xbadcafe
+ 0xbad_cafe
+ 0x_bad_cafe
+
=item *
The general radix form of a number involves prefixing with the radix
