[pure-lang-svn] SF.net SVN: pure-lang: [342] pure/trunk/lib/prelude.pure

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

Revision: 342
          http://pure-lang.svn.sourceforge.net/pure-lang/?rev=342&view=rev
Author:   agraef
Date:     2008-06-30 02:23:13 -0700 (Mon, 30 Jun 2008)

Log Message:
-----------
Add false and true constants, as requested by Jiri Spitz.

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

Modified: pure/trunk/lib/prelude.pure
===================================================================
--- pure/trunk/lib/prelude.pure	2008-06-30 07:56:07 UTC (rev 341)
+++ pure/trunk/lib/prelude.pure	2008-06-30 09:23:13 UTC (rev 342)
@@ -62,9 +62,14 @@
 infixl 9   ! !! ;		// indexing, slicing
 infixr 9   . ;			// function composition
 
+/* The truth values. These are just integers in Pure, but sometimes it's
+   convenient to refer to them using these symbolic constants. */
+
+def false = 0; def true = 1;
+
 /* Pull in the primitives (arithmetic etc.) and the standard string functions.
-   Note that the system module is *not* included here, so you have to do that
-   yourself if your program does any I/O or uses other system functions. */
+   Note that the math and system modules are *not* included here, so you have
+   to do that yourself if your program requires any of those operations. */
 
 using primitives strings;
 


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