samer@1: classdef siglzcat < signal
samer@1: 	properties (GetAccess=private, SetAccess=immutable)
samer@1: 		head
samer@1: 		tail
samer@1: 	end
samer@1: 	methods
samer@1: 		function s=siglzcat(head,tail)
samer@1: 			if isnan(channels(head)), error('First signal to siglzcat must have determinate channels'); end
samer@1: 			s.head=head;
samer@1: 			s.tail=tail;
samer@1: 		end
samer@1: 
samer@1: 		function s=tostring(sig)
samer@1: 			s=sprintf('%s > %s',tostring(sig.head),tostring(sig.tail));
samer@1: 		end
samer@1: 
samer@1: 		function c=rate(s), c=rate(s.head); end
samer@1: 		function c=channels(s), c=channels(s.head); end
samer@1: 	end
samer@1: end