[PD] bang vs empty list

Ivica Ico Bukvic ico at vt.edu
Thu Feb 28 19:34:19 CET 2013


How about further expanding trigger to tolerate a->s by simply taking 
the very first argument if the first argument is not type descriptor? 
See attached.

e.g.

[foo<
|
[t s]
|
[print]

would output foo.

foo bar->outputs foo
bar foo->outputs bar
-------------- next part --------------
--- x_connective.c.orig	2013-02-28 13:31:10.011297224 -0500
+++ x_connective.c	2013-02-28 13:33:08.110292915 -0500
@@ -977,6 +977,9 @@
     t_triggerout *x_vec;
 } t_trigger;
 
+// forward declaration
+static void trigger_symbol(t_trigger *x, t_symbol *s);
+
 static void *trigger_new(t_symbol *s, int argc, t_atom *argv)
 {
     t_trigger *x = (t_trigger *)pd_new(trigger_class);
@@ -1100,8 +1103,8 @@
 		else if (u->u_type == TR_STATIC_SYMBOL)
 		{
 			outlet_symbol(u->u_outlet, &u->u_sym);
-		}
-        else pd_error(x, "trigger: can only convert 'a' to 'b' or 'a'");        
+		}        
+		else trigger_symbol(x, s);
     }
 }
 


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