Mercurial > forge
view main/struct/isfield.m @ 0:6b33357c7561 octave-forge
Initial revision
author | pkienzle |
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date | Wed, 10 Oct 2001 19:54:49 +0000 |
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children | 2ac2777b30bc |
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## Copyright (C) 2000 Etienne Grossman ## ## This program is free software; you can redistribute it and/or modify ## it under the terms of the GNU General Public License as published by ## the Free Software Foundation; either version 2 of the License, or ## (at your option) any later version. ## ## This program is distributed in the hope that it will be useful, ## but WITHOUT ANY WARRANTY; without even the implied warranty of ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ## GNU General Public License for more details. ## ## You should have received a copy of the GNU General Public License ## along with this program; if not, write to the Free Software ## Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA ## y = isfield(x,k) ## ## Returns 1 if x is a struct and k a string, and x.k exists. ## Returns 0 otherwise. ## ## For m****b compat and flexibility. ## ## See also cmpstruct, fields, setfield, rmfield, getfield, isstruct, ## struct. ## Author: Etienne Grossmann <etienne@isr.ist.utl.pt> ## Last modified: January 2000 function y = isfield(x,k) if is_struct(x) y = struct_contains (x, k); ## eval(sprintf('x.%s;y=1;',k),'y=0;'); else y = 0 ; end end