Logtalk 2.29.5 files.

git-svn-id: https://yap.svn.sf.net/svnroot/yap/trunk@1858 b08c6af1-5177-4d33-ba66-4b1c6b8b522a

Logtalk/examples/operators/NOTES.txt

@@ -1,6 +1,6 @@
 =================================================================
 Logtalk - Object oriented extension to Prolog
-Release 2.29.4
+Release 2.29.5
 
 Copyright (c) 1998-2007 Paulo Moura.  All Rights Reserved.
 =================================================================
@@ -21,3 +21,6 @@ triple.lgt
 reverse.lgt
 	Simple object reading from a file (next.txt), and writing to 
 	another file (previous.txt), clauses that use infix operators.
+
+local.lgt
+	Simple example of defining an operator local to a source file.

Logtalk/examples/operators/SCRIPT.txt

@@ -1,6 +1,6 @@
 =================================================================
 Logtalk - Object oriented extension to Prolog
-Release 2.29.4
+Release 2.29.5
 
 Copyright (c) 1998-2007 Paulo Moura.  All Rights Reserved.
 =================================================================
@@ -32,7 +32,7 @@ J = 4 ;
 I = 3
 J = 6 
 
-Yes
+yes
 
 
 % operators also affect inputing of terms, enabling this example to work:
@@ -48,8 +48,50 @@ J = 6 ;
 I = 3
 J = 9 
 
-Yes
+yes
 
 
 % check the file "previous.txt" generated from the file "next.txt" by the object "reverse"
 % by opening the files on a text editor
+
+
+% the "edge" operator on the "local.lgt" source file is not globally visible:
+
+| ?- graph1::(N1 edge N2).
+uncaught exception: error(syntax_error('user_input:10 (char:13) ) or operator expected'),read_term/3)
+
+
+% you must use instead functor notation:
+
+| ?- graph1::edge(N1, N2).
+
+N1 = a
+N2 = b ;
+
+N1 = a
+N2 = c ;
+
+N1 = b
+N2 = d ;
+
+N1 = c
+N2 = d
+
+yes
+
+
+| ?- graph1::path(a, d, Path).
+
+Path = [a, b, d] ;
+
+Path = [a, c, d] 
+
+yes
+
+
+% confirm that the "edge" operator have not became global:
+
+| ?- current_op(P, T, edge).
+
+no
+

Logtalk/examples/operators/loader.lgt

@@ -1,15 +1,3 @@
 
 :- initialization(
-	logtalk_load([
-		double,
-		triple,
-		reverse])).
-
-/*
-If you intend to use the FOP XSL:FO processor for generating PDF documenting
-files, comment the directive above and uncomment the directive below
-
-:- initialization(
-	logtalk_load(
-		[double, triple, reverse], [xmlsref(standalone)])).
-*/
+	logtalk_load([double, triple, reverse, local])).