Author: lwall
Date: 2010-06-02 19:30:34 +0200 (Wed, 02 Jun 2010)
New Revision: 31051
Modified:
docs/Perl6/Spec/S02-bits.pod
Log:
[S02] refine Blobs to simply be immutable Bufs, with similar generic
characteristics
Modified: docs/Perl6/Spec/S02-bits.pod
===================================================================
--- docs/Perl6/Spec/S02-bits.pod 2010-06-02 16:51:06 UTC (rev 31050)
+++ docs/Perl6/Spec/S02-bits.pod 2010-06-02 17:30:34 UTC (rev 31051)
@@ -13,8 +13,8 @@
Created: 10 Aug 2004
- Last Modified: 21 May 2010
- Version: 216
+ Last Modified: 2 Jun 2010
+ Version: 217
This document summarizes Apocalypse 2, which covers small-scale
lexical items and typological issues. (These Synopses also contain
@@ -666,6 +666,8 @@
Callable
Positional
Associative
+ Buf
+ Blob
=item *
@@ -915,6 +917,7 @@
Name Is really
==== =========
+ buf1 Buf[bit]
buf8 Buf[uint8]
buf16 Buf[uint16]
buf32 Buf[uint32]
@@ -1258,7 +1261,7 @@
Parcel Arguments in a comma list
Slicel Arguments in a semicolon list (or equiv, like Z)
Capture Function call arguments (right-hand side of a binding)
- Blob An undifferentiated mass of bits
+ Blob An undifferentiated mass of ints, an immutable Buf
Instant A point on the continuous atomic timeline
Duration The difference between two Instants
HardRoutine A routine that is committed to not changing
@@ -1338,6 +1341,12 @@
$duration * 2 # ok, a duration twice as long
2 * $duration # same
+The C<Blob> type is like an immutable buffer, and therefore
+responds both to array and (some) stringy operations. Note that,
+like a C<Buf>, its size is measured in whatever the base unit is,
+which is not always bytes. If you have a C<my Blob[bit] $blob>,
+then C<$blob.elems> returns the number of bits in it.
+
These types do (at least) the following roles:
Class Roles
@@ -1361,7 +1370,7 @@
Signature
Parcel Positional
Capture Positional Associative
- Blob Stringy
+ Blob Stringy Positional
Instant Real
Duration Real
HardRoutine Routine
