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view test/ctor-vs-method/__trace__.m @ 20611:40ed9b46a800

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new octave_value::string_value method with optional error message * ov.h (octave_value::string_vector): New method. ov-base.cc, ov-base.h (octave_base_value::string_vector): New default method. ov-str-mat.cc, ov-str-mat.h (octave_char_matrix_str::string_value): New method.
author John W. Eaton <jwe@octave.org>
date Thu, 08 Oct 2015 16:43:22 -0400
parents b1283d4c06c2
children
line wrap: on
line source

function r = __trace__ (t)
  persistent history

  if (isempty (history))
    history = {};
  end
  if (nargin == 0)
    if (nargout == 0)
      history = {};
    else
      r = history;
    end
  elseif (nargin == 1);
    history = [history; t];
  else
    error ('incorrect call to __trace__');
  end

end