Mercurial > octave-nkf
view examples/code/globaldemo.cc @ 20616:fd0efcdb3718
use new string_value method to handle value extraction errors
* dirfns.cc, file-io.cc, gammainc.cc, help.cc, load-path.cc,
octave-link.cc, qz.cc, regexp.cc, strfns.cc, syscalls.cc, time.cc,
variables.cc: Use new string_value method.
author | John W. Eaton <jwe@octave.org> |
---|---|
date | Thu, 08 Oct 2015 19:00:51 -0400 |
parents | 2f8500ca91d3 |
children |
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#include <octave/oct.h> DEFUN_DLD (globaldemo, args, , "Global Demo") { octave_value retval; if (args.length () != 1) print_usage (); std::string s = args(0).string_value (); octave_value tmp = get_global_value (s, true); if (tmp.is_defined ()) retval = tmp; else retval = "Global variable not found"; set_global_value ("a", 42.0); return retval; }