Data commit

Task/Variadic-function/Metafont/variadic-function.metafont

@@ -0,0 +1,14 @@
+def print_arg(text t) =
+for x = t:
+  if unknown x: message "unknown value"
+  elseif numeric x: message decimal x
+  elseif string x: message x
+  elseif path x: message "a path"
+  elseif pair x: message decimal (xpart(x)) & ", " & decimal (ypart(x))
+  elseif boolean x: if x: message "true!" else: message "false!" fi
+  elseif pen x: message "a pen"
+  elseif picture x: message "a picture"
+  elseif transform x: message "a transform" fi; endfor enddef;
+
+print_arg("hello", x, 12, fullcircle, currentpicture, down, identity, false, pencircle);
+end