[pure-lang-svn] SF.net SVN: pure-lang:[841] pure/trunk/lib/strings.pure

[<ag...@us...>]

Revision: 841
          http://pure-lang.svn.sourceforge.net/pure-lang/?rev=841&view=rev
Author:   agraef
Date:     2008-09-23 18:56:29 +0000 (Tue, 23 Sep 2008)

Log Message:
-----------
Add missing string conversion routines.

Modified Paths:
--------------
    pure/trunk/lib/strings.pure

Modified: pure/trunk/lib/strings.pure
===================================================================
--- pure/trunk/lib/strings.pure	2008-09-23 13:01:30 UTC (rev 840)
+++ pure/trunk/lib/strings.pure	2008-09-23 18:56:29 UTC (rev 841)
@@ -157,6 +157,14 @@
 stream s::string	= stream (chars s);
 tuple s::string		= tuple (chars s);
 
+string []		= "";
+string xs@(_::string:_)	= strcat xs if all stringp xs;
+
+/* Conversions between strings and matrices. */
+
+matrix s::string	= matrix (chars s);
+string x::matrix	= string (list x) if all stringp x;
+
 /* Define the customary list operations on strings, so that these can mostly
    be used as if they were lists. */
 


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