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authordkf <donal.k.fellows@manchester.ac.uk>2004-05-27 22:13:45 (GMT)
committerdkf <donal.k.fellows@manchester.ac.uk>2004-05-27 22:13:45 (GMT)
commit1982d695841e2009c89bb927e568dcb185e0283b (patch)
tree3d3990dd1cd7242f465a9a9953f333f16e7510cd
parent33afeb271a63304fff0a87b1c30b0ac87187884b (diff)
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Added examples
-rw-r--r--doc/variable.n35
1 files changed, 34 insertions, 1 deletions
diff --git a/doc/variable.n b/doc/variable.n
index 9ef4738..2f13edd 100644
--- a/doc/variable.n
+++ b/doc/variable.n
@@ -5,7 +5,7 @@
'\" See the file "license.terms" for information on usage and redistribution
'\" of this file, and for a DISCLAIMER OF ALL WARRANTIES.
'\"
-'\" RCS: @(#) $Id: variable.n,v 1.4 2000/11/21 15:56:21 dkf Exp $
+'\" RCS: @(#) $Id: variable.n,v 1.5 2004/05/27 22:13:45 dkf Exp $
'\"
.so man.macros
.TH variable n 8.0 Tcl "Tcl Built-In Commands"
@@ -58,6 +58,39 @@ and the initialization \fIvalue\fR should be left off.
After the variable has been declared,
elements within the array can be set using ordinary
\fBset\fR or \fBarray\fR commands.
+.SH EXAMPLES
+Create a variable in a namespace:
+.CS
+namespace eval foo {
+ variable bar 12345
+}
+.CE
+.PP
+Create an array in a namespace:
+.CS
+namespace eval someNS {
+ variable someAry
+ array set someAry {
+ someName someValue
+ otherName otherValue
+ }
+}
+.CE
+.PP
+Access variables in namespaces from a procedure:
+.CS
+namespace eval foo {
+ proc spong {} {
+ # Variable in this namespace
+ variable bar
+ puts "bar is $bar"
+
+ # Variable in another namespace
+ variable ::someNS::someAry
+ parray someAry
+ }
+}
+.CE
.SH "SEE ALSO"
global(n), namespace(n), upvar(n)