Does exists an object to count the channels in a multichannel ?
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				get number of channels in mc connections 
 https://github.com/pure-data/pure-data/issues/1989missing/useful [snake~] methods 
 https://github.com/pure-data/pure-data/issues/1996
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				@FFW We can get object arguments with [iemguts/canvasindex]. 
  
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				else/nchs~ 
 
					 
									 
									