samer@39: % vertcat - function combinator
samer@38: %
samer@39: % vertcat ::
samer@39: %    (A{:} => _),
samer@39: %    (A{:} => _),
samer@39: %    ...
samer@38: %    (A{:} => C{:})
samer@38: % -> (A{:} => C{:}).
samer@39: function h=vertcat(varargin)
samer@38: 	g=varargin{end};
samer@38: 	N=length(varargin)-1;
samer@38: 	fx=varargin(1:N);
samer@38: 	fns = { @q11, @q1n; @qn1, @qnn };
samer@38: 	h=fns{acount(nargin(g),1),acount(nargout(g),1)};
samer@38: 	function y=q11(x), callfx1(x); y=g(x); end
samer@38: 	function y=qn1(varargin), callfxn(varargin); y=g(varargin{:}); end
samer@38: 	function varargout=q1n(x), callfx1(x); [varargout{1:nargout}]=g(x); end
samer@38: 	function varargout=qnn(varargin), callfxn(varargin); [varargout{1:nargout}]=g(varargin{:}); end
samer@38: 
samer@38: 	function callfx1(x), for i=1:N, fx{i}(x); end; end
samer@38: 	function callfxn(args), for i=1:N, fx{i}(args{:}); end; end
samer@38: end