[PD] default abstraction argument(s)

[Frank Barknecht]

Hallo,
Federico hat gesagt: // Federico wrote:

> my abstraction accepts two creation parameters ($1, $2).
> i want to make $2 optional, but it should default to value 1 if $2 was
> omitted.
> 
> i tried in this way:
> 
>  [loadbang]
>    |
>  [trigger bang bang]
>    |     |
>  [$2 ]  [1 ]
>    |   /
>    |  /
>  [float ]
> 
> but if i omit $2, the float's value is 0 and not 1.
> how to test if a creation parameter was specified?

You test, if it's 0! 

  loadbang
  |
  [f $2]
  |
  [select  0]
  |         |
  [default( |
  |        /
  [s something]

Replace "default" with your default.

Ciao
-- 
 Frank Barknecht                               _ ______footils.org__