[Xotcl] Asserts off/on

Uwe Zdun zdun at infosys.tuwien.ac.at
Tue Jul 11 18:24:29 CEST 2006

The method "check" can be used to turn off assertions. The example from 
the tutorial:

  $fb check all
  if {[catch {$fb set playerRole SINGER} errMsg]} {
    puts "CATCHED EXCEPTION: playerRole has either to be NONE, PLAYER, or TRAINER"
    # turn assertion checking off again and reset to PLAYER
    $fb check {}
    $fb set playerRole PLAYER

The idea is per default all checks are off. Then you turn them on for the objects, you want to be checked in a development environment,
and simply remove the "turn-on code" for the production environment (or redefine the method check, if you want to do it for all methods 
at once).


Kristoffer Lawson wrote:

> Have I missed something, or is there no easy way of turning asserts  
> off or on for all objects? It's common that during the development  
> phase you want all the asserts turned on and, perhaps for performance  
> reasons, turn them off when finished. I know it could be possible by  
> overwriting the create method, or whatever, but I was looking for  
> something... well ... less hacky.
>            /  http://www.fishpool.com/~setok/
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